Base | Representation |
---|---|
bin | 11000000101011000… |
… | …01110010101111100 |
3 | 1020101010011120021200 |
4 | 30002230032111330 |
5 | 202440043040104 |
6 | 5535011455500 |
7 | 635263415016 |
oct | 140254162574 |
9 | 36333146250 |
10 | 12930049404 |
11 | 5535748548 |
12 | 260a2b7590 |
13 | 12b0a4c80c |
14 | 8a935b1b6 |
15 | 50a235b39 |
hex | 302b0e57c |
12930049404 has 72 divisors (see below), whose sum is σ = 34918141440. Its totient is φ = 4022216352.
The previous prime is 12930049399. The next prime is 12930049409. The reversal of 12930049404 is 40494003921.
It is an interprime number because it is at equal distance from previous prime (12930049399) and next prime (12930049409).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12930049409) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95244 + ... + 186899.
Almost surely, 212930049404 is an apocalyptic number.
It is an amenable number.
12930049404 is an abundant number, since it is smaller than the sum of its proper divisors (21988092036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12930049404 is a wasteful number, since it uses less digits than its factorization.
12930049404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 282239 (or 282234 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The spelling of 12930049404 in words is "twelve billion, nine hundred thirty million, forty-nine thousand, four hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •