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102173415904 = 257644970729
BaseRepresentation
bin101111100101000000…
…0101001100111100000
3100202201122022022101001
41133022000221213200
53133222343302104
6114534322521344
710244644464010
oct1371200514740
9322648268331
10102173415904
113a37125869a
1217975806254
139833b93b61
144d3397bc40
1529cee54aa4
hex17ca0299e0

102173415904 has 48 divisors (see below), whose sum is σ = 229929084000. Its totient is φ = 43781197824.

The previous prime is 102173415899. The next prime is 102173415937. The reversal of 102173415904 is 409514371201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409212 + ... + 1479940.

It is an arithmetic number, because the mean of its divisors is an integer number (4790189250).

Almost surely, 2102173415904 is an apocalyptic number.

102173415904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102173415904 is an abundant number, since it is smaller than the sum of its proper divisors (127755668096).

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

102173415904 is an equidigital number, since it uses as much as digits as its factorization.

102173415904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77195 (or 77187 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 102173415904 in words is "one hundred two billion, one hundred seventy-three million, four hundred fifteen thousand, nine hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 6449 12898 25796 45143 51592 70729 90286 103184 141458 180572 206368 282916 361144 495103 565832 722288 990206 1131664 1444576 1980412 2263328 3960824 7921648 15843296 456131321 912262642 1824525284 3192919247 3649050568 6385838494 7298101136 12771676988 14596202272 25543353976 51086707952 102173415904