Base | Representation |
---|---|
bin | 1011101010011111… |
… | …0111011110110101 |
3 | 22002012112221110010 |
4 | 2322213313132311 |
5 | 22403014404140 |
6 | 1234404250433 |
7 | 140406112626 |
oct | 27247673665 |
9 | 8065487403 |
10 | 3131013045 |
11 | 1367414496 |
12 | 7346a0a19 |
13 | 3ab896154 |
14 | 219b8ba4d |
15 | 134d22880 |
hex | ba9f77b5 |
3131013045 has 16 divisors (see below), whose sum is σ = 5061268800. Its totient is φ = 1652657664.
The previous prime is 3131013013. The next prime is 3131013091. The reversal of 3131013045 is 5403101313.
It is not a de Polignac number, because 3131013045 - 25 = 3131013013 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1074495 + ... + 1077404.
It is an arithmetic number, because the mean of its divisors is an integer number (316329300).
Almost surely, 23131013045 is an apocalyptic number.
It is an amenable number.
3131013045 is a deficient number, since it is larger than the sum of its proper divisors (1930255755).
3131013045 is a wasteful number, since it uses less digits than its factorization.
3131013045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2152004.
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 3131013045 is about 55955.4559002069. The cubic root of 3131013045 is about 1462.9459883158.
Adding to 3131013045 its reverse (5403101313), we get a palindrome (8534114358).
The spelling of 3131013045 in words is "three billion, one hundred thirty-one million, thirteen thousand, forty-five".
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