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102112434132 = 22317349187107
BaseRepresentation
bin101111100011001100…
…0000001011111010100
3100202120101120010002220
41133012120001133110
53133111240343012
6114524303502340
710243304240412
oct1370630013724
9322511503086
10102112434132
113a33a897135
12179592b79b0
139824362077
144d298262b2
1529c990b08c
hex17c66017d4

102112434132 has 24 divisors (see below), whose sum is σ = 239639590176. Its totient is φ = 33840728928.

The previous prime is 102112434131. The next prime is 102112434161. The reversal of 102112434132 is 231434211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112434131) 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, 24591478 + ... + 24595629.

It is an arithmetic number, because the mean of its divisors is an integer number (9984982924).

Almost surely, 2102112434132 is an apocalyptic number.

102112434132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102112434132 is an abundant number, since it is smaller than the sum of its proper divisors (137527156044).

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

102112434132 is a wasteful number, since it uses less digits than its factorization.

102112434132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49187287 (or 49187285 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 102112434132 its reverse (231434211201), we get a palindrome (333546645333).

The spelling of 102112434132 in words is "one hundred two billion, one hundred twelve million, four hundred thirty-four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 173 346 519 692 1038 2076 49187107 98374214 147561321 196748428 295122642 590245284 8509369511 17018739022 25528108533 34037478044 51056217066 102112434132