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2693537920 = 275311271069
BaseRepresentation
bin1010000010001100…
…0010000010000000
320221201100220101201
42200203002002000
521004021203140
61123135510544
7123514460143
oct24043020200
96851326351
102693537920
1111624829a7
12632088454
1333c063328
141b7a3005a
1510b70a49a
hexa08c2080

2693537920 has 128 divisors (see below), whose sum is σ = 6705561600. Its totient is φ = 1033482240.

The previous prime is 2693537911. The next prime is 2693537921. The reversal of 2693537920 is 297353962.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (2693537921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2519146 + ... + 2520214.

It is an arithmetic number, because the mean of its divisors is an integer number (52387200).

Almost surely, 22693537920 is an apocalyptic number.

2693537920 is a gapful number since it is divisible by the number (20) 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 2693537920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3352780800).

2693537920 is an abundant number, since it is smaller than the sum of its proper divisors (4012023680).

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

2693537920 is a wasteful number, since it uses less digits than its factorization.

2693537920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 46.

The square root of 2693537920 is about 51899.3055830230. The cubic root of 2693537920 is about 1391.3648619603.

The spelling of 2693537920 in words is "two billion, six hundred ninety-three million, five hundred thirty-seven thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 127 128 155 160 248 254 310 320 496 508 620 635 640 992 1016 1069 1240 1270 1984 2032 2138 2480 2540 3937 3968 4064 4276 4960 5080 5345 7874 8128 8552 9920 10160 10690 15748 16256 17104 19685 19840 20320 21380 31496 33139 34208 39370 40640 42760 62992 66278 68416 78740 81280 85520 125984 132556 135763 136832 157480 165695 171040 251968 265112 271526 314960 331390 342080 503936 530224 543052 629920 662780 678815 684160 1060448 1086104 1259840 1325560 1357630 2120896 2172208 2519680 2651120 2715260 4208653 4241792 4344416 5302240 5430520 8417306 8688832 10604480 10861040 16834612 17377664 21043265 21208960 21722080 33669224 42086530 43444160 67338448 84173060 86888320 134676896 168346120 269353792 336692240 538707584 673384480 1346768960 2693537920