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42520415102 = 21125723093257
BaseRepresentation
bin100111100110011010…
…100000101101111110
311001202022122220000222
4213212122200231332
51144040211240402
631311132021342
73033460364534
oct474632405576
9131668586028
1042520415102
111703a736230
1282a8001852
1340182ac049
1420b5214154
15118cde67a2
hex9e66a0b7e

42520415102 has 32 divisors (see below), whose sum is σ = 69901302240. Its totient is φ = 19238010880.

The previous prime is 42520415089. The next prime is 42520415111. The reversal of 42520415102 is 20151402524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13053458 + ... + 13056714.

It is an arithmetic number, because the mean of its divisors is an integer number (2184415695).

Almost surely, 242520415102 is an apocalyptic number.

42520415102 is a deficient number, since it is larger than the sum of its proper divisors (27380887138).

42520415102 is a wasteful number, since it uses less digits than its factorization.

42520415102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 42520415102 its reverse (20151402524), we get a palindrome (62671817626).

The spelling of 42520415102 in words is "forty-two billion, five hundred twenty million, four hundred fifteen thousand, one hundred two".

Divisors: 1 2 11 22 257 514 2309 2827 3257 4618 5654 6514 25399 35827 50798 71654 593413 837049 1186826 1674098 6527543 7520413 9207539 13055086 15040826 18415078 82724543 165449086 1932746141 3865492282 21260207551 42520415102