Base | Representation |
---|---|
bin | 111111100000110… |
… | …0101000000000010 |
3 | 12111112002010020012 |
4 | 1333001211000002 |
5 | 13331031321010 |
6 | 551245144522 |
7 | 103545136136 |
oct | 17701450002 |
9 | 5445063205 |
10 | 2131120130 |
11 | 9a3a64107 |
12 | 4b585b142 |
13 | 27c695939 |
14 | 16306b3c6 |
15 | c7163005 |
hex | 7f065002 |
2131120130 has 32 divisors (see below), whose sum is σ = 3888486000. Its totient is φ = 840835072.
The previous prime is 2131120111. The next prime is 2131120133. The reversal of 2131120130 is 310211312.
It can be written as a sum of positive squares in 8 ways, for example, as 1449857929 + 681262201 = 38077^2 + 26101^2 .
It is not an unprimeable number, because it can be changed into a prime (2131120133) 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, 396944 + ... + 402276.
Almost surely, 22131120130 is an apocalyptic number.
2131120130 is a deficient number, since it is larger than the sum of its proper divisors (1757365870).
2131120130 is a wasteful number, since it uses less digits than its factorization.
2131120130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5878.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 2131120130 is about 46164.0566891602. The cubic root of 2131120130 is about 1286.8738537050.
Adding to 2131120130 its reverse (310211312), we get a palindrome (2441331442).
The spelling of 2131120130 in words is "two billion, one hundred thirty-one million, one hundred twenty thousand, one hundred thirty".
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