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131350415332420 = 22513977839607001
BaseRepresentation
bin11101110111011001100110…
…110110001101010001000100
3122020001222101021200222121001
4131313121212312031101010
5114204021122311114140
61143205314153103044
736444516511506454
oct3567314666152104
9566058337628531
10131350415332420
113894144217a8a9
12128947103b7a84
13583a3a249b66b
1424615732add64
15102bad4554e9a
hex777666d8d444

131350415332420 has 48 divisors (see below), whose sum is σ = 277824329798400. Its totient is φ = 52161423264000.

The previous prime is 131350415332417. The next prime is 131350415332439. The reversal of 131350415332420 is 24233514053131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131350415332420.

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, 216088920 + ... + 216695920.

It is an arithmetic number, because the mean of its divisors is an integer number (5788006870800).

Almost surely, 2131350415332420 is an apocalyptic number.

131350415332420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131350415332420 is an abundant number, since it is smaller than the sum of its proper divisors (146473914465980).

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

131350415332420 is a wasteful number, since it uses less digits than its factorization.

131350415332420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684988 (or 684986 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 131350415332420 its reverse (24233514053131), we get a palindrome (155583929385551).

The spelling of 131350415332420 in words is "one hundred thirty-one trillion, three hundred fifty billion, four hundred fifteen million, three hundred thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 77839 155678 311356 389195 607001 778390 1214002 1556780 2428004 3035005 6070010 10819621 12140020 21639242 43278484 54098105 84373139 108196210 168746278 216392420 337492556 421865695 843731390 1687462780 47248350839 94496701678 188993403356 236241754195 472483508390 944967016780 6567520766621 13135041533242 26270083066484 32837603833105 65675207666210 131350415332420