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13031507389980 = 2235347769813931
BaseRepresentation
bin1011110110100010001001…
…0111100110111000011100
31201010210121011012202222010
42331220202113212320130
53202002011342434410
643414331501151220
72513331621114252
oct275504227467034
951123534182863
1013031507389980
1141746a4211172
12156571555b510
13736b3442c341
14330a2a7385d2
15178ea57b9c20
hexbda225e6e1c

13031507389980 has 96 divisors (see below), whose sum is σ = 36641004744960. Its totient is φ = 3460543856640.

The previous prime is 13031507389897. The next prime is 13031507389987. The reversal of 13031507389980 is 8998370513031.

It is a self number, because there is not a number n which added to its sum of digits gives 13031507389980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031507389987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15603615 + ... + 16417545.

It is an arithmetic number, because the mean of its divisors is an integer number (381677132760).

Almost surely, 213031507389980 is an apocalyptic number.

13031507389980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13031507389980 is an abundant number, since it is smaller than the sum of its proper divisors (23609497354980).

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

13031507389980 is a wasteful number, since it uses less digits than its factorization.

13031507389980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815059 (or 815057 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 13031507389980 in words is "thirteen trillion, thirty-one billion, five hundred seven million, three hundred eighty-nine thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 347 694 769 1041 1388 1538 1735 2082 2307 3076 3470 3845 4164 4614 5205 6940 7690 9228 10410 11535 15380 20820 23070 46140 266843 533686 800529 813931 1067372 1334215 1601058 1627862 2441793 2668430 3202116 3255724 4002645 4069655 4883586 5336860 8005290 8139310 9767172 12208965 16010580 16278620 24417930 48835860 282434057 564868114 625912939 847302171 1129736228 1251825878 1412170285 1694604342 1877738817 2503651756 2824340570 3129564695 3389208684 3755477634 4236510855 5648681140 6259129390 7510955268 8473021710 9388694085 12518258780 16946043420 18777388170 37554776340 217191789833 434383579666 651575369499 868767159332 1085958949165 1303150738998 2171917898330 2606301477996 3257876847495 4343835796660 6515753694990 13031507389980