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157872635616 = 2532616162861
BaseRepresentation
bin1001001100000111110…
…0010011111011100000
3120002111102012211200110
42103001330103323200
510041310343314431
6200305314251320
714256142155453
oct2230174237340
9502442184613
10157872635616
1160a53a94883
122671b286b40
1311b6c5ba627
1478d918349a
15418ed1c346
hex24c1f13ee0

157872635616 has 48 divisors (see below), whose sum is σ = 414438102288. Its totient is φ = 52621363200.

The previous prime is 157872635581. The next prime is 157872635617. The reversal of 157872635616 is 616536278751.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157872635617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2480026 + ... + 2542886.

It is an arithmetic number, because the mean of its divisors is an integer number (8634127131).

Almost surely, 2157872635616 is an apocalyptic number.

157872635616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157872635616 is an abundant number, since it is smaller than the sum of its proper divisors (256565466672).

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

157872635616 is a wasteful number, since it uses less digits than its factorization.

157872635616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89035 (or 89027 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 57.

The spelling of 157872635616 in words is "one hundred fifty-seven billion, eight hundred seventy-two million, six hundred thirty-five thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 26161 52322 62861 78483 104644 125722 156966 188583 209288 251444 313932 377166 418576 502888 627864 754332 837152 1005776 1255728 1508664 2011552 2511456 3017328 6034656 1644506621 3289013242 4933519863 6578026484 9867039726 13156052968 19734079452 26312105936 39468158904 52624211872 78936317808 157872635616