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139042496964 = 22371987119359
BaseRepresentation
bin1000000101111110010…
…1000010000111000100
3111021220002222200111210
42001133211002013010
54234224334400324
6143513015131420
713021413503160
oct2013745020704
9437802880453
10139042496964
1153a70956a18
1222b45073b70
131015b3b4057
146a303c3ca0
15393bb36d29
hex205f9421c4

139042496964 has 48 divisors (see below), whose sum is σ = 390294732800. Its totient is φ = 37635562656.

The previous prime is 139042496909. The next prime is 139042496977. The reversal of 139042496964 is 469694240931.

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 43558084 + ... + 43561275.

Almost surely, 2139042496964 is an apocalyptic number.

139042496964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139042496964 is an abundant number, since it is smaller than the sum of its proper divisors (251252235836).

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

139042496964 is a wasteful number, since it uses less digits than its factorization.

139042496964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87119392 (or 87119390 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 57.

The spelling of 139042496964 in words is "one hundred thirty-nine billion, forty-two million, four hundred ninety-six thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 87119359 174238718 261358077 348477436 522716154 609835513 1045432308 1219671026 1655267821 1829506539 2439342052 3310535642 3659013078 4965803463 6621071284 7318026156 9931606926 11586874747 19863213852 23173749494 34760624241 46347498988 69521248482 139042496964