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61672500315240 = 23353116578629117
BaseRepresentation
bin11100000010111001111110…
…11110010100010001101000
322002100211111120210121112020
432001130333132110101220
531040420240040041430
6335055542220344440
715663456023153103
oct1601347736242150
9262324446717466
1061672500315240
11187181846a14a1
126b006636a5120
1328548cbc2b939
141132d71b2d73a
1571e39b036b10
hex38173f794468

61672500315240 has 64 divisors (see below), whose sum is σ = 190985807439360. Its totient is φ = 15915483951360.

The previous prime is 61672500315169. The next prime is 61672500315263. The reversal of 61672500315240 is 4251300527616.

61672500315240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61672500315192 and 61672500315201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8289310839 + ... + 8289318278.

It is an arithmetic number, because the mean of its divisors is an integer number (2984153241240).

Almost surely, 261672500315240 is an apocalyptic number.

61672500315240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61672500315240 is an abundant number, since it is smaller than the sum of its proper divisors (129313307124120).

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

61672500315240 is a wasteful number, since it uses less digits than its factorization.

61672500315240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16578629162 (or 16578629158 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 61672500315240 in words is "sixty-one trillion, six hundred seventy-two billion, five hundred million, three hundred fifteen thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 620 744 930 1240 1860 3720 16578629117 33157258234 49735887351 66314516468 82893145585 99471774702 132629032936 165786291170 198943549404 248679436755 331572582340 397887098808 497358873510 513937502627 663145164680 994717747020 1027875005254 1541812507881 1989435494040 2055750010508 2569687513135 3083625015762 4111500021016 5139375026270 6167250031524 7709062539405 10278750052540 12334500063048 15418125078810 20557500105080 30836250157620 61672500315240