Search a number
-
+
131432203320 = 23351199569851
BaseRepresentation
bin111101001100111111…
…0000100010000111000
3110120020201212201020020
41322121332010100320
54123133121001240
6140213520130440
712332004203145
oct1723176042070
9416221781206
10131432203320
1150816063740
1221580466a20
13c51781a112
14650b7a13cc
15364396a0d0
hex1e99f84438

131432203320 has 64 divisors (see below), whose sum is σ = 430141760640. Its totient is φ = 31862352000.

The previous prime is 131432203313. The next prime is 131432203339. The reversal of 131432203320 is 23302234131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 49783606 + ... + 49786245.

It is an arithmetic number, because the mean of its divisors is an integer number (6720965010).

Almost surely, 2131432203320 is an apocalyptic number.

131432203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131432203320 is an abundant number, since it is smaller than the sum of its proper divisors (298709557320).

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

131432203320 is a wasteful number, since it uses less digits than its factorization.

131432203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99569876 (or 99569872 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 131432203320 its reverse (23302234131), we get a palindrome (154734437451).

The spelling of 131432203320 in words is "one hundred thirty-one billion, four hundred thirty-two million, two hundred three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 99569851 199139702 298709553 398279404 497849255 597419106 796558808 995698510 1095268361 1194838212 1493547765 1991397020 2190536722 2389676424 2987095530 3285805083 3982794040 4381073444 5476341805 5974191060 6571610166 8762146888 10952683610 11948382120 13143220332 16429025415 21905367220 26286440664 32858050830 43810734440 65716101660 131432203320