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139639930512 = 24337311252817
BaseRepresentation
bin1000001000001100110…
…0000011111010010000
3111100102202011110021020
42002003030003322100
54241440310234022
6144052200155440
713042256553015
oct2020314037220
9440382143236
10139639930512
1154248111655
1223091168b80
13102250c1724
146a8989d70c
1539742e935c
hex2083303e90

139639930512 has 80 divisors (see below), whose sum is σ = 371678865792. Its totient is φ = 45142824960.

The previous prime is 139639930501. The next prime is 139639930579. The reversal of 139639930512 is 215039936931.

It is a super-3 number, since 3×1396399305123 (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425928 + ... + 678744.

Almost surely, 2139639930512 is an apocalyptic number.

139639930512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139639930512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185839432896).

139639930512 is an abundant number, since it is smaller than the sum of its proper divisors (232038935280).

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

139639930512 is a wasteful number, since it uses less digits than its factorization.

139639930512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253176 (or 253170 counting only the distinct ones).

The product of its (nonzero) digits is 1180980, while the sum is 51.

The spelling of 139639930512 in words is "one hundred thirty-nine billion, six hundred thirty-nine million, nine hundred thirty thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 148 222 296 311 444 592 622 888 933 1244 1776 1866 2488 3732 4976 7464 11507 14928 23014 34521 46028 69042 92056 138084 184112 252817 276168 505634 552336 758451 1011268 1516902 2022536 3033804 4045072 6067608 9354229 12135216 18708458 28062687 37416916 56125374 74833832 78626087 112250748 149667664 157252174 224501496 235878261 314504348 449002992 471756522 629008696 943513044 1258017392 1887026088 2909165219 3774052176 5818330438 8727495657 11636660876 17454991314 23273321752 34909982628 46546643504 69819965256 139639930512