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6731372087040 = 28358893197117
BaseRepresentation
bin110000111110100010100…
…0010101100011100000000
3212211111211220011002120210
41201331011002230130000
51340241322223241130
622152203305034120
71263216450452256
oct141750502543400
925744756132523
106731372087040
112165839069407
12908702a85940
1339a9c5219543
14193b2b8665d6
15ba1723485b0
hex61f450ac700

6731372087040 has 144 divisors (see below), whose sum is σ = 21500846121888. Its totient is φ = 1794821603328.

The previous prime is 6731372087009. The next prime is 6731372087051. The reversal of 6731372087040 is 407802731376.

It is a super-2 number, since 2×67313720870402 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34050562 + ... + 34247678.

It is an arithmetic number, because the mean of its divisors is an integer number (149311431402).

Almost surely, 26731372087040 is an apocalyptic number.

6731372087040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6731372087040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10750423060944).

6731372087040 is an abundant number, since it is smaller than the sum of its proper divisors (14769474034848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6731372087040 is a wasteful number, since it uses less digits than its factorization.

6731372087040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206034 (or 206020 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 6731372087040 in words is "six trillion, seven hundred thirty-one billion, three hundred seventy-two million, eighty-seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 3840 8893 17786 26679 35572 44465 53358 71144 88930 106716 133395 142288 177860 197117 213432 266790 284576 355720 394234 426864 533580 569152 591351 711440 788468 853728 985585 1067160 1138304 1182702 1422880 1576936 1707456 1971170 2134320 2276608 2365404 2845760 2956755 3153872 3414912 3942340 4268640 4730808 5691520 5913510 6307744 6829824 7884680 8537280 9461616 11383040 11827020 12615488 15769360 17074560 18923232 23654040 25230976 31538720 34149120 37846464 47308080 50461952 63077440 75692928 94616160 126154880 151385856 189232320 252309760 378464640 756929280 1752961481 3505922962 5258884443 7011845924 8764807405 10517768886 14023691848 17529614810 21035537772 26294422215 28047383696 35059229620 42071075544 52588844430 56094767392 70118459240 84142151088 105177688860 112189534784 140236918480 168284302176 210355377720 224379069568 280473836960 336568604352 420710755440 448758139136 560947673920 673137208704 841421510880 1121895347840 1346274417408 1682843021760 2243790695680 3365686043520 6731372087040