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102664042544 = 247916643237
BaseRepresentation
bin101111110011101000…
…0001111100000110000
3100210222211111201121002
41133213100033200300
53140223443330134
6115055130421132
710263052651250
oct1374720174060
9323884451532
10102664042544
113a5a31a2758
1217a91b917a8
1398b171668b
144d7cbb3960
152a0d06a87e
hex17e740f830

102664042544 has 20 divisors (see below), whose sum is σ = 227327523024. Its totient is φ = 43998875328.

The previous prime is 102664042519. The next prime is 102664042553. The reversal of 102664042544 is 445240466201.

It is a junction number, because it is equal to n+sod(n) for n = 102664042498 and 102664042507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458321507 + ... + 458321730.

Almost surely, 2102664042544 is an apocalyptic number.

102664042544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102664042544 is an abundant number, since it is smaller than the sum of its proper divisors (124663480480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102664042544 is an equidigital number, since it uses as much as digits as its factorization.

102664042544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916643252 (or 916643246 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 102664042544 in words is "one hundred two billion, six hundred sixty-four million, forty-two thousand, five hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 916643237 1833286474 3666572948 6416502659 7333145896 12833005318 14666291792 25666010636 51332021272 102664042544