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102555165340 = 22531165411557
BaseRepresentation
bin101111110000011000…
…0111010001010011100
3100210201020122012011001
41133200300322022130
53140013110242330
6115040241040044
710260261344065
oct1374060721234
9323636565131
10102555165340
113a5477986a1
1217a61626024
139894cb53b4
144d6c55156c
152a037109ca
hex17e0c3a29c

102555165340 has 24 divisors (see below), whose sum is σ = 222313133952. Its totient is φ = 39698773440.

The previous prime is 102555165337. The next prime is 102555165347. The reversal of 102555165340 is 43561555201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102555165340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102555165347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82705159 + ... + 82706398.

It is an arithmetic number, because the mean of its divisors is an integer number (9263047248).

Almost surely, 2102555165340 is an apocalyptic number.

102555165340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102555165340 is an abundant number, since it is smaller than the sum of its proper divisors (119757968612).

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

102555165340 is a wasteful number, since it uses less digits than its factorization.

102555165340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165411597 (or 165411595 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 102555165340 in words is "one hundred two billion, five hundred fifty-five million, one hundred sixty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 165411557 330823114 661646228 827057785 1654115570 3308231140 5127758267 10255516534 20511033068 25638791335 51277582670 102555165340