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5072910661 = 73137914401
BaseRepresentation
bin1001011100101111…
…00111100101000101
3111002112120120012001
410232113213211011
540342131120121
62155214025301
7236466013000
oct45627474505
914075516161
105072910661
112173586955
12b96aa8231
1362aca91b0
14361a40537
151ea559991
hex12e5e7945

5072910661 has 32 divisors (see below), whose sum is σ = 6452096000. Its totient is φ = 3962649600.

The previous prime is 5072910631. The next prime is 5072910691. The reversal of 5072910661 is 1660192705.

It is an interprime number because it is at equal distance from previous prime (5072910631) and next prime (5072910691).

It is not a de Polignac number, because 5072910661 - 27 = 5072910533 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5072910661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5072910611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345061 + ... + 359461.

It is an arithmetic number, because the mean of its divisors is an integer number (201628000).

Almost surely, 25072910661 is an apocalyptic number.

It is an amenable number.

5072910661 is a deficient number, since it is larger than the sum of its proper divisors (1379185339).

5072910661 is a wasteful number, since it uses less digits than its factorization.

5072910661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14514 (or 14500 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 5072910661 is about 71224.3684492885. The cubic root of 5072910661 is about 1718.2475684985.

The spelling of 5072910661 in words is "five billion, seventy-two million, nine hundred ten thousand, six hundred sixty-one".

Divisors: 1 7 13 49 79 91 343 553 637 1027 3871 4459 7189 14401 27097 50323 100807 187213 352261 705649 1137679 1310491 4939543 7963753 9173437 14789827 55746271 64214059 103528789 390223897 724701523 5072910661