Search a number
-
+
1310331200020 = 225233079925153
BaseRepresentation
bin10011000100010101110…
…100110110001000010100
311122021012020022210100221
4103010111310312020110
5132432024241400040
62441542521044124
7163445141300143
oct23042564661024
94567166283327
101310331200020
11465787890727
12191b4b326644
13967435b794b
14475c56c375a
1524140e0674a
hex13115d36214

1310331200020 has 48 divisors (see below), whose sum is σ = 2872270114560. Its totient is φ = 501180742656.

The previous prime is 1310331199999. The next prime is 1310331200023. The reversal of 1310331200020 is 200021330131.

It is a junction number, because it is equal to n+sod(n) for n = 1310331199967 and 1310331200003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310331200023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953764 + ... + 1878916.

It is an arithmetic number, because the mean of its divisors is an integer number (59838960720).

Almost surely, 21310331200020 is an apocalyptic number.

1310331200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310331200020 is an abundant number, since it is smaller than the sum of its proper divisors (1561938914540).

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

1310331200020 is a wasteful number, since it uses less digits than its factorization.

1310331200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928264 (or 928262 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1310331200020 its reverse (200021330131), we get a palindrome (1510352530151).

The spelling of 1310331200020 in words is "one trillion, three hundred ten billion, three hundred thirty-one million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 3079 6158 12316 15395 30790 61580 70817 141634 283268 354085 708170 925153 1416340 1850306 3700612 4625765 9251530 18503060 21278519 42557038 85114076 106392595 212785190 425570380 2848546087 5697092174 11394184348 14242730435 28485460870 56970921740 65516560001 131033120002 262066240004 327582800005 655165600010 1310331200020