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102512959852 = 22307487717117
BaseRepresentation
bin101111101111000111…
…1111010000101101100
3100210121022012221002211
41133132033322011230
53134421304203402
6115032132300204
710256236532032
oct1373617720554
9323538187084
10102512959852
113a525991026
1217a4b471664
139889328a34
144d66ac6552
1529eeb754d7
hex17de3fa16c

102512959852 has 24 divisors (see below), whose sum is σ = 180029458224. Its totient is φ = 51076060992.

The previous prime is 102512959849. The next prime is 102512959867. The reversal of 102512959852 is 258959215201.

It is a junction number, because it is equal to n+sod(n) for n = 102512959796 and 102512959805.

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 7 ways as a sum of consecutive naturals, for example, 5980398 + ... + 5997514.

It is an arithmetic number, because the mean of its divisors is an integer number (7501227426).

Almost surely, 2102512959852 is an apocalyptic number.

It is an amenable number.

102512959852 is a deficient number, since it is larger than the sum of its proper divisors (77516498372).

102512959852 is a wasteful number, since it uses less digits than its factorization.

102512959852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22305 (or 22303 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 49.

The spelling of 102512959852 in words is "one hundred two billion, five hundred twelve million, nine hundred fifty-nine thousand, eight hundred fifty-two".

Divisors: 1 2 4 307 614 1228 4877 9754 17117 19508 34234 68468 1497239 2994478 5254919 5988956 10509838 21019676 83479609 166959218 333918436 25628239963 51256479926 102512959852