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102102918374 = 21753611078681
BaseRepresentation
bin101111100010111001…
…1101110010011100110
3100202112201122122221102
41133011303232103212
53133101321341444
6114523323520102
710243130325602
oct1370563562346
9322481578842
10102102918374
113a335487876
1217956089032
1398223aca42
144d2846a502
1529c8b7b84e
hex17c5cee4e6

102102918374 has 64 divisors (see below), whose sum is σ = 169520703552. Its totient is φ = 45930393600.

The previous prime is 102102918373. The next prime is 102102918419. The reversal of 102102918374 is 473819201201.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102918373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11757314 + ... + 11765994.

It is an arithmetic number, because the mean of its divisors is an integer number (2648760993).

Almost surely, 2102102918374 is an apocalyptic number.

102102918374 is a deficient number, since it is larger than the sum of its proper divisors (67417785178).

102102918374 is a wasteful number, since it uses less digits than its factorization.

102102918374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8921.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 102102918374 in words is "one hundred two billion, one hundred two million, nine hundred eighteen thousand, three hundred seventy-four".

Divisors: 1 2 17 34 53 61 106 107 122 214 901 1037 1802 1819 2074 3233 3638 5671 6466 6527 8681 11342 13054 17362 54961 96407 109922 110959 147577 192814 221918 295154 345931 460093 529541 691862 920186 928867 1059082 1857734 5880827 7821581 9002197 11761654 15643162 15790739 18004394 28065673 31581478 49229951 56131346 56660887 98459902 113321774 477116441 836909167 954232882 963235079 1673818334 1926470158 3003027011 6006054022 51051459187 102102918374