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2131245324 = 2233131789293
BaseRepresentation
bin111111100001000…
…0011100100001100
312111112022110222000
41333002003210030
513331044322244
6551251552300
7103546200135
oct17702034414
95445273860
102131245324
119a403a17a
124b58bb690
1327c70a910
141630a0c8c
15c718a169
hex7f08390c

2131245324 has 96 divisors (see below), whose sum is σ = 6300584640. Its totient is φ = 617186304.

The previous prime is 2131245299. The next prime is 2131245329. The reversal of 2131245324 is 4235421312.

2131245324 is a `hidden beast` number, since 2 + 1 + 3 + 124 + 532 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2131245329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20779 + ... + 68514.

It is an arithmetic number, because the mean of its divisors is an integer number (65631090).

Almost surely, 22131245324 is an apocalyptic number.

It is an amenable number.

2131245324 is an abundant number, since it is smaller than the sum of its proper divisors (4169339316).

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

2131245324 is a wasteful number, since it uses less digits than its factorization.

2131245324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89336 (or 89328 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2131245324 is about 46165.4126376013. The cubic root of 2131245324 is about 1286.8990526177.

Adding to 2131245324 its reverse (4235421312), we get a palindrome (6366666636).

The spelling of 2131245324 in words is "two billion, one hundred thirty-one million, two hundred forty-five thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 13 17 18 26 27 34 36 39 51 52 54 68 78 102 108 117 153 156 204 221 234 306 351 442 459 468 612 663 702 884 918 1326 1404 1836 1989 2652 3978 5967 7956 11934 23868 89293 178586 267879 357172 535758 803637 1071516 1160809 1517981 1607274 2321618 2410911 3035962 3214548 3482427 4553943 4643236 4821822 6071924 6964854 9107886 9643644 10447281 13661829 13929708 18215772 19733753 20894562 27323658 31341843 39467506 40985487 41789124 54647316 59201259 62683686 78935012 81970974 118402518 125367372 163941948 177603777 236805036 355207554 532811331 710415108 1065622662 2131245324