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102345055164 = 2232113761711321
BaseRepresentation
bin101111101010000111…
…1011001101110111100
3100210011121021111011200
41133110033121232330
53134100313231124
6115003333415500
710252130421012
oct1372417315674
9323147244150
10102345055164
113a44a12a820
1217a0319a590
1398605cb351
144d4c69a8b2
1529e005abc9
hex17d43d9bbc

102345055164 has 144 divisors (see below), whose sum is σ = 290347346016. Its totient is φ = 30123878400.

The previous prime is 102345055159. The next prime is 102345055177. The reversal of 102345055164 is 461550543201.

102345055164 is a `hidden beast` number, since 1 + 0 + 2 + 3 + 45 + 0 + 551 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9034624 + ... + 9045944.

It is an arithmetic number, because the mean of its divisors is an integer number (2016301014).

Almost surely, 2102345055164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102345055164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145173673008).

102345055164 is an abundant number, since it is smaller than the sum of its proper divisors (188002290852).

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

102345055164 is a wasteful number, since it uses less digits than its factorization.

102345055164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11996 (or 11991 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 102345055164 its reverse (461550543201), we get a palindrome (563895598365).

The spelling of 102345055164 in words is "one hundred two billion, three hundred forty-five million, fifty-five thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 37 44 66 74 99 111 132 148 198 222 333 396 407 444 617 666 814 1221 1234 1332 1628 1851 2442 2468 3663 3702 4884 5553 6787 7326 7404 11106 11321 13574 14652 20361 22212 22642 22829 27148 33963 40722 45284 45658 61083 67926 68487 81444 91316 101889 122166 124531 135852 136974 203778 205461 244332 249062 251119 273948 373593 407556 410922 418877 498124 502238 747186 753357 821844 837754 1004476 1120779 1256631 1494372 1506714 1675508 2241558 2260071 2513262 3013428 3769893 4483116 4520142 4607647 5026524 6985057 7539786 9040284 9215294 13822941 13970114 15079572 18430588 20955171 27645882 27940228 41468823 41910342 55291764 62865513 76835627 82937646 83820684 125731026 153671254 165875292 230506881 251462052 258447109 307342508 461013762 516894218 691520643 775341327 922027524 1033788436 1383041286 1550682654 2326023981 2766082572 2842918199 3101365308 4652047962 5685836398 8528754597 9304095924 11371672796 17057509194 25586263791 34115018388 51172527582 102345055164