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2312031140832 = 25373440522531
BaseRepresentation
bin100001101001001111110…
…010110111101111100000
322012000202102111011020210
4201221033302313233200
5300340014433001312
64530044335134120
7326016200303640
oct41511762675740
98160672434223
102312031140832
11811588339286
12314106674340
1313a03cb0bb0a
147dc8d7d8520
154021ba0de3c
hex21a4fcb7be0

2312031140832 has 48 divisors (see below), whose sum is σ = 6936093424512. Its totient is φ = 660580325760.

The previous prime is 2312031140831. The next prime is 2312031140873. The reversal of 2312031140832 is 2380411302132.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2312031140832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312031140831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720260594 + ... + 1720261937.

It is an arithmetic number, because the mean of its divisors is an integer number (144501946344).

Almost surely, 22312031140832 is an apocalyptic number.

It is an amenable number.

2312031140832 is an abundant number, since it is smaller than the sum of its proper divisors (4624062283680).

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

2312031140832 is a wasteful number, since it uses less digits than its factorization.

2312031140832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440522551 (or 3440522543 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 2312031140832 its reverse (2380411302132), we get a palindrome (4692442442964).

The spelling of 2312031140832 in words is "two trillion, three hundred twelve billion, thirty-one million, one hundred forty thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 3440522531 6881045062 10321567593 13762090124 20643135186 24083657717 27524180248 41286270372 48167315434 55048360496 72250973151 82572540744 96334630868 110096720992 144501946302 165145081488 192669261736 289003892604 330290162976 385338523472 578007785208 770677046944 1156015570416 2312031140832