Base | Representation |
---|---|
bin | 1011101100100011… |
… | …0111010101111111 |
3 | 22002210211102021101 |
4 | 2323020313111333 |
5 | 22412223210411 |
6 | 1235313513531 |
7 | 140542461055 |
oct | 27310672577 |
9 | 8083742241 |
10 | 3139663231 |
11 | 1371292501 |
12 | 7375728a7 |
13 | 3b06044c3 |
14 | 21ada01d5 |
15 | 1359808c1 |
hex | bb23757f |
3139663231 has 12 divisors (see below), whose sum is σ = 3367142352. Its totient is φ = 2921960448.
The previous prime is 3139663223. The next prime is 3139663243. The reversal of 3139663231 is 1323669313.
It is not a de Polignac number, because 3139663231 - 23 = 3139663223 is a prime.
It is a super-2 number, since 2×31396632312 = 19714970408186718722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3139663211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18370 + ... + 81343.
It is an arithmetic number, because the mean of its divisors is an integer number (280595196).
Almost surely, 23139663231 is an apocalyptic number.
3139663231 is a deficient number, since it is larger than the sum of its proper divisors (227479121).
3139663231 is an equidigital number, since it uses as much as digits as its factorization.
3139663231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99810 (or 99773 counting only the distinct ones).
The product of its digits is 52488, while the sum is 37.
The square root of 3139663231 is about 56032.6978736523. The cubic root of 3139663231 is about 1464.2919976991.
The spelling of 3139663231 in words is "three billion, one hundred thirty-nine million, six hundred sixty-three thousand, two hundred thirty-one".
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