Base | Representation |
---|---|
bin | 100100101011010… |
… | …0100001110010111 |
3 | 10011202200121121020 |
4 | 1021112210032113 |
5 | 10010021333221 |
6 | 322041052223 |
7 | 42332241420 |
oct | 11126441627 |
9 | 3152617536 |
10 | 1230652311 |
11 | 581742329 |
12 | 2a4187073 |
13 | 167c67345 |
14 | b962c647 |
15 | 73092ac6 |
hex | 495a4397 |
1230652311 has 16 divisors (see below), whose sum is σ = 1876852224. Its totient is φ = 702640224.
The previous prime is 1230652309. The next prime is 1230652337. The reversal of 1230652311 is 1132560321.
It is not a de Polignac number, because 1230652311 - 21 = 1230652309 is a prime.
It is a super-2 number, since 2×12306523112 = 3029010221139281442, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230652361) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1725 + ... + 49641.
It is an arithmetic number, because the mean of its divisors is an integer number (117303264).
Almost surely, 21230652311 is an apocalyptic number.
1230652311 is a deficient number, since it is larger than the sum of its proper divisors (646199913).
1230652311 is a wasteful number, since it uses less digits than its factorization.
1230652311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49150.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 1230652311 is about 35080.6543696095. The cubic root of 1230652311 is about 1071.6306435146.
The spelling of 1230652311 in words is "one billion, two hundred thirty million, six hundred fifty-two thousand, three hundred eleven".
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