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15680138037 = 3172196714207
BaseRepresentation
bin11101001101001101…
…11110101100110101
31111110202221112200020
432212212332230311
5224103103404122
611111531435353
71063365655104
oct164646765465
944422845606
1015680138037
116717035873
1230572b5b59
13162b722ab5
14a8a6ac03b
1561b8b1c5c
hex3a69beb35

15680138037 has 48 divisors (see below), whose sum is σ = 23728496640. Its totient is φ = 9180940032.

The previous prime is 15680138029. The next prime is 15680138053. The reversal of 15680138037 is 73083108651.

It is not a de Polignac number, because 15680138037 - 23 = 15680138029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15680138037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15680138017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1096588 + ... + 1110794.

It is an arithmetic number, because the mean of its divisors is an integer number (494343680).

Almost surely, 215680138037 is an apocalyptic number.

15680138037 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

15680138037 is a deficient number, since it is larger than the sum of its proper divisors (8048358603).

15680138037 is a wasteful number, since it uses less digits than its factorization.

15680138037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14330 (or 14313 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 15680138037 in words is "fifteen billion, six hundred eighty million, one hundred thirty-eight thousand, thirty-seven".

Divisors: 1 3 17 19 51 57 67 201 289 323 867 969 1139 1273 3417 3819 5491 14207 16473 19363 21641 42621 58089 64923 241519 269933 367897 724557 809799 951869 1103691 2855607 4105823 4588861 12317469 13766583 16181773 18085511 48545319 54256533 78010637 234031911 275090141 307453687 825270423 922361061 5226712679 15680138037