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38466522157 = 7109112344893
BaseRepresentation
bin100011110100110010…
…001000110000101101
310200021210112210100211
4203310302020300231
51112234412202112
625400555022421
72531144020630
oct436462106055
9120253483324
1038466522157
111534a392488
12755643aa11
13382046b31b
141c0ca71c17
1510020780a7
hex8f4c88c2d

38466522157 has 16 divisors (see below), whose sum is σ = 44405553280. Its totient is φ = 32638997952.

The previous prime is 38466522139. The next prime is 38466522163. The reversal of 38466522157 is 75122566483.

It is a cyclic number.

It is not a de Polignac number, because 38466522157 - 215 = 38466489389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38466522157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38466822157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834403 + ... + 879295.

It is an arithmetic number, because the mean of its divisors is an integer number (2775347080).

Almost surely, 238466522157 is an apocalyptic number.

It is an amenable number.

38466522157 is a deficient number, since it is larger than the sum of its proper divisors (5939031123).

38466522157 is a wasteful number, since it uses less digits than its factorization.

38466522157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46132.

The product of its digits is 2419200, while the sum is 49.

The spelling of 38466522157 in words is "thirty-eight billion, four hundred sixty-six million, five hundred twenty-two thousand, one hundred fifty-seven".

Divisors: 1 7 109 763 1123 7861 44893 122407 314251 856849 4893337 34253359 50414839 352903873 5495217451 38466522157