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102257668435 = 5137871998977
BaseRepresentation
bin101111100111100001…
…0000011000101010011
3100202221111211210010011
41133033002003011103
53133410430342220
6114550532415351
710250016561136
oct1371702030523
9322844753104
10102257668435
113a40487388a
1217999a77557
139848482a20
144d40c3021d
1529d754865a
hex17cf083153

102257668435 has 16 divisors (see below), whose sum is σ = 132316351776. Its totient is φ = 75417366528.

The previous prime is 102257668369. The next prime is 102257668451. The reversal of 102257668435 is 534866752201.

It is a cyclic number.

It is not a de Polignac number, because 102257668435 - 221 = 102255571283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948334 + ... + 1050643.

It is an arithmetic number, because the mean of its divisors is an integer number (8269771986).

Almost surely, 2102257668435 is an apocalyptic number.

102257668435 is a deficient number, since it is larger than the sum of its proper divisors (30058683341).

102257668435 is a wasteful number, since it uses less digits than its factorization.

102257668435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999782.

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

The spelling of 102257668435 in words is "one hundred two billion, two hundred fifty-seven million, six hundred sixty-eight thousand, four hundred thirty-five".

Divisors: 1 5 13 65 787 3935 10231 51155 1998977 9994885 25986701 129933505 1573194899 7865974495 20451533687 102257668435