Base | Representation |
---|---|
bin | 11000001111001011… |
… | …01101111111010100 |
3 | 1020120211210210000011 |
4 | 30013211231333110 |
5 | 203122112330400 |
6 | 5551105130004 |
7 | 640312062622 |
oct | 140745557724 |
9 | 36524723004 |
10 | 13012230100 |
11 | 5578079081 |
12 | 2631929904 |
13 | 12c4a9464c |
14 | 8b6230512 |
15 | 51256a8ba |
hex | 30796dfd4 |
13012230100 has 36 divisors (see below), whose sum is σ = 29897516124. Its totient is φ = 4898721280.
The previous prime is 13012230097. The next prime is 13012230157. The reversal of 13012230100 is 103221031.
It can be written as a sum of positive squares in 6 ways, for example, as 824953284 + 12187276816 = 28722^2 + 110396^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3825427 + ... + 3828826.
It is an arithmetic number, because the mean of its divisors is an integer number (830486559).
Almost surely, 213012230100 is an apocalyptic number.
13012230100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13012230100 is an abundant number, since it is smaller than the sum of its proper divisors (16885286024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13012230100 is a wasteful number, since it uses less digits than its factorization.
13012230100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7654284 (or 7654277 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 13012230100 its reverse (103221031), we get a palindrome (13115451131).
The spelling of 13012230100 in words is "thirteen billion, twelve million, two hundred thirty thousand, one hundred".
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