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82507870652 = 2217192329671429
BaseRepresentation
bin100110011010111011…
…0100011000110111100
321212222010010002210012
41030311312203012330
52322434003330102
6101523102002352
75650423220564
oct1146566430674
9255863102705
1082507870652
1131a9a5a6459
1213ba78763b8
137a1b88b84c
143dc9c77da4
15222d751752
hex1335da31bc

82507870652 has 192 divisors, whose sum is σ = 176432256000. Its totient is φ = 33440698368.

The previous prime is 82507870651. The next prime is 82507870661. The reversal of 82507870652 is 25607870528.

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 82507870652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82507870651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57737474 + ... + 57738902.

It is an arithmetic number, because the mean of its divisors is an integer number (918918000).

Almost surely, 282507870652 is an apocalyptic number.

It is an amenable number.

82507870652 is an abundant number, since it is smaller than the sum of its proper divisors (93924385348).

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

82507870652 is a wasteful number, since it uses less digits than its factorization.

82507870652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 82507870652 in words is "eighty-two billion, five hundred seven million, eight hundred seventy thousand, six hundred fifty-two".