Search a number
-
+
1312420104132 = 2231710935886031
BaseRepresentation
bin10011000110010010010…
…101011000011111000100
311122110120210222010002220
4103012102111120133010
5133000314021313012
62442530101332340
7163550664551454
oct23062225303704
94573523863086
101312420104132
11466659a30265
12192432a070b0
13969b72bc197
1447742cc1d64
15242144cb08c
hex131925587c4

1312420104132 has 48 divisors (see below), whose sum is σ = 3245416780032. Its totient is φ = 411362864640.

The previous prime is 1312420104103. The next prime is 1312420104133. The reversal of 1312420104132 is 2314010242131.

It is not an unprimeable number, because it can be changed into a prime (1312420104133) 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, 2720044 + ... + 3165987.

It is an arithmetic number, because the mean of its divisors is an integer number (67612849584).

Almost surely, 21312420104132 is an apocalyptic number.

1312420104132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312420104132 is an abundant number, since it is smaller than the sum of its proper divisors (1932996675900).

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

1312420104132 is a wasteful number, since it uses less digits than its factorization.

1312420104132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5887148 (or 5887146 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1312420104132 its reverse (2314010242131), we get a palindrome (3626430346263).

The spelling of 1312420104132 in words is "one trillion, three hundred twelve billion, four hundred twenty million, one hundred four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1093 2186 3279 4372 6558 13116 18581 37162 55743 74324 111486 222972 5886031 11772062 17658093 23544124 35316186 70632372 100062527 200125054 300187581 400250108 600375162 1200750324 6433431883 12866863766 19300295649 25733727532 38600591298 77201182596 109368342011 218736684022 328105026033 437473368044 656210052066 1312420104132