Search a number
-
+
12311030996 = 22111012770259
BaseRepresentation
bin10110111011100101…
…10110110011010100
31011202222101011122222
423131302312303110
5200203110442441
65353340041512
7614036015435
oct133562666324
934688334588
1012311030996
11524828a890
122476b33298
131212725534
1484b06348c
154c0c0cd4b
hex2ddcb6cd4

12311030996 has 24 divisors (see below), whose sum is σ = 23735587680. Its totient is φ = 5540516000.

The previous prime is 12311030993. The next prime is 12311031043. The reversal of 12311030996 is 69903011321.

It is a super-2 number, since 2×123110309962 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311030993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380686 + ... + 1389573.

It is an arithmetic number, because the mean of its divisors is an integer number (988982820).

Almost surely, 212311030996 is an apocalyptic number.

It is an amenable number.

12311030996 is a deficient number, since it is larger than the sum of its proper divisors (11424556684).

12311030996 is a wasteful number, since it uses less digits than its factorization.

12311030996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770375 (or 2770373 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 35.

The spelling of 12311030996 in words is "twelve billion, three hundred eleven million, thirty thousand, nine hundred ninety-six".

Divisors: 1 2 4 11 22 44 101 202 404 1111 2222 4444 2770259 5540518 11081036 30472849 60945698 121891396 279796159 559592318 1119184636 3077757749 6155515498 12311030996