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79142341544 = 23710313720933
BaseRepresentation
bin100100110110101000…
…0000100101110101000
321120021120021111202222
41021231100010232220
52244040414412134
6100205115013212
75501135542430
oct1115520045650
9246246244688
1079142341544
1130622874642
121340873a208
1376035449c6
143b8acc12c0
1520d3057a2e
hex126d404ba8

79142341544 has 32 divisors (see below), whose sum is σ = 171237256320. Its totient is φ = 33588841536.

The previous prime is 79142341513. The next prime is 79142341561. The reversal of 79142341544 is 44514324197.

It is a junction number, because it is equal to n+sod(n) for n = 79142341495 and 79142341504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6854699 + ... + 6866234.

It is an arithmetic number, because the mean of its divisors is an integer number (5351164260).

Almost surely, 279142341544 is an apocalyptic number.

It is an amenable number.

79142341544 is an abundant number, since it is smaller than the sum of its proper divisors (92094914776).

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

79142341544 is a wasteful number, since it uses less digits than its factorization.

79142341544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13721049 (or 13721045 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The spelling of 79142341544 in words is "seventy-nine billion, one hundred forty-two million, three hundred forty-one thousand, five hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 103 206 412 721 824 1442 2884 5768 13720933 27441866 54883732 96046531 109767464 192093062 384186124 768372248 1413256099 2826512198 5653024396 9892792693 11306048792 19785585386 39571170772 79142341544