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2160431132 = 22643839981
BaseRepresentation
bin1000000011000101…
…1001000000011100
312120120020021100212
42000301121000130
513411032244012
6554213311552
7104352235016
oct20061310034
95516207325
102160431132
11a09563982
125036355b8
13285789122
14166cdb1b6
15c9a02b22
hex80c5901c

2160431132 has 12 divisors (see below), whose sum is σ = 3786638856. Its totient is φ = 1078534320.

The previous prime is 2160431129. The next prime is 2160431149. The reversal of 2160431132 is 2311340612.

It is a super-2 number, since 2×21604311322 = 9334925352229602848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2160431098 and 2160431107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417419 + ... + 422562.

It is an arithmetic number, because the mean of its divisors is an integer number (315553238).

Almost surely, 22160431132 is an apocalyptic number.

It is an amenable number.

2160431132 is a deficient number, since it is larger than the sum of its proper divisors (1626207724).

2160431132 is a wasteful number, since it uses less digits than its factorization.

2160431132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840628 (or 840626 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2160431132 is about 46480.4381648882. The cubic root of 2160431132 is about 1292.7468125326.

Adding to 2160431132 its reverse (2311340612), we get a palindrome (4471771744).

The spelling of 2160431132 in words is "two billion, one hundred sixty million, four hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 643 1286 2572 839981 1679962 3359924 540107783 1080215566 2160431132