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131100132432 = 24317241666647
BaseRepresentation
bin111101000011000101…
…1010100010001010000
3110112101121000202121110
41322012023110101100
54121443113214212
6140120534453320
712320532511353
oct1720613242120
9415347022543
10131100132432
1150665674995
12214a9204240
13c493aa0879
1464b964029a
153624723a3c
hex1e862d4450

131100132432 has 80 divisors (see below), whose sum is σ = 360085917312. Its totient is φ = 40958730240.

The previous prime is 131100132431. The next prime is 131100132491. The reversal of 131100132432 is 234231001131.

It is a junction number, because it is equal to n+sod(n) for n = 131100132399 and 131100132408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131100132431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136668 + ... + 529979.

Almost surely, 2131100132432 is an apocalyptic number.

131100132432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131100132432 is an abundant number, since it is smaller than the sum of its proper divisors (228985784880).

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

131100132432 is a wasteful number, since it uses less digits than its factorization.

131100132432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666916 (or 666910 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131100132432 its reverse (234231001131), we get a palindrome (365331133563).

The spelling of 131100132432 in words is "one hundred thirty-one billion, one hundred million, one hundred thirty-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 241 272 408 482 723 816 964 1446 1928 2892 3856 4097 5784 8194 11568 12291 16388 24582 32776 49164 65552 98328 196656 666647 1333294 1999941 2666588 3999882 5333176 7999764 10666352 11332999 15999528 22665998 31999056 33998997 45331996 67997994 90663992 135995988 160661927 181327984 271991976 321323854 481985781 543983952 642647708 963971562 1285295416 1927943124 2570590832 2731252759 3855886248 5462505518 7711772496 8193758277 10925011036 16387516554 21850022072 32775033108 43700044144 65550066216 131100132432