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28622485157 = 76799161583
BaseRepresentation
bin11010101010000010…
…000111011010100101
32201212202020220020212
4122222002013122211
5432104324011112
621052103105205
72032202052410
oct325202073245
981782226225
1028622485157
1111158712812
125669742205
132911b89c66
14155750ab77
15b27c26522
hex6aa0876a5

28622485157 has 16 divisors (see below), whose sum is σ = 33233682432. Its totient is φ = 24142607280.

The previous prime is 28622485139. The next prime is 28622485169. The reversal of 28622485157 is 75158422682.

It is a cyclic number.

It is not a de Polignac number, because 28622485157 - 210 = 28622484133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28622485057) 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, 433988 + ... + 495570.

It is an arithmetic number, because the mean of its divisors is an integer number (2077105152).

Almost surely, 228622485157 is an apocalyptic number.

It is an amenable number.

28622485157 is a deficient number, since it is larger than the sum of its proper divisors (4611197275).

28622485157 is an equidigital number, since it uses as much as digits as its factorization.

28622485157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62648.

The product of its digits is 2150400, while the sum is 50.

The spelling of 28622485157 in words is "twenty-eight billion, six hundred twenty-two million, four hundred eighty-five thousand, one hundred fifty-seven".

Divisors: 1 7 67 469 991 6937 61583 66397 431081 464779 4126061 28882427 61028753 427201271 4088926451 28622485157