Base | Representation |
---|---|
bin | 111101000110000111… |
… | …1111111001111101010 |
3 | 110112122200202012112022 |
4 | 1322030033333033222 |
5 | 4122200204122310 |
6 | 140135014344442 |
7 | 12323210525543 |
oct | 1721417771752 |
9 | 415580665468 |
10 | 131202020330 |
11 | 50708135867 |
12 | 2151735b122 |
13 | c4abc25774 |
14 | 64c8da34ca |
15 | 362d64ca55 |
hex | 1e8c3ff3ea |
131202020330 has 16 divisors (see below), whose sum is σ = 236168317224. Its totient is φ = 52479768000.
The previous prime is 131202020281. The next prime is 131202020377. The reversal of 131202020330 is 33020202131.
It can be written as a sum of positive squares in 4 ways, for example, as 64786029961 + 66415990369 = 254531^2 + 257713^2 .
It is a junction number, because it is equal to n+sod(n) for n = 131202020299 and 131202020308.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589244 + ... + 780776.
Almost surely, 2131202020330 is an apocalyptic number.
131202020330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131202020330 is a deficient number, since it is larger than the sum of its proper divisors (104966296894).
131202020330 is a wasteful number, since it uses less digits than its factorization.
131202020330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260041.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 131202020330 its reverse (33020202131), we get a palindrome (164222222461).
The spelling of 131202020330 in words is "one hundred thirty-one billion, two hundred two million, twenty thousand, three hundred thirty".
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