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139718050280 = 23517316627991
BaseRepresentation
bin1000001000011111011…
…0000100000111101000
3111100122012011100102222
42002013312010013220
54242120310102110
6144104030413212
713044225555314
oct2020766040750
9440565140388
10139718050280
1154288219146
12230b3361208
1310238344043
146a95dd6b44
15397b0cac55
hex2087d841e8

139718050280 has 64 divisors (see below), whose sum is σ = 343595105280. Its totient is φ = 50902963200.

The previous prime is 139718050181. The next prime is 139718050327. The reversal of 139718050280 is 82050817931.

It is a super-2 number, since 2×1397180502802 (a number of 23 digits) contains 22 as substring.

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, 3292916 + ... + 3335075.

It is an arithmetic number, because the mean of its divisors is an integer number (5368673520).

Almost surely, 2139718050280 is an apocalyptic number.

139718050280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139718050280 is an abundant number, since it is smaller than the sum of its proper divisors (203877055000).

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

139718050280 is a wasteful number, since it uses less digits than its factorization.

139718050280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628050 (or 6628046 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 139718050280 in words is "one hundred thirty-nine billion, seven hundred eighteen million, fifty thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 17 20 31 34 40 62 68 85 124 136 155 170 248 310 340 527 620 680 1054 1240 2108 2635 4216 5270 10540 21080 6627991 13255982 26511964 33139955 53023928 66279910 112675847 132559820 205467721 225351694 265119640 410935442 450703388 563379235 821870884 901406776 1027338605 1126758470 1643741768 2054677210 2253516940 3492951257 4109354420 4507033880 6985902514 8218708840 13971805028 17464756285 27943610056 34929512570 69859025140 139718050280