Base | Representation |
---|---|
bin | 11000000000101010… |
… | …00101011011000101 |
3 | 1020021100121122110221 |
4 | 30000111011123011 |
5 | 202344422213000 |
6 | 5531034344341 |
7 | 634302561010 |
oct | 140025053305 |
9 | 36240548427 |
10 | 12890429125 |
11 | 5515347212 |
12 | 25b8b8b0b1 |
13 | 12a5789a72 |
14 | 8a3da6377 |
15 | 506a0b61a |
hex | 3005456c5 |
12890429125 has 32 divisors (see below), whose sum is σ = 18607051008. Its totient is φ = 8732606400.
The previous prime is 12890429117. The next prime is 12890429147. The reversal of 12890429125 is 52192409821.
It is not a de Polignac number, because 12890429125 - 23 = 12890429117 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16122 + ... + 161371.
It is an arithmetic number, because the mean of its divisors is an integer number (581470344).
Almost surely, 212890429125 is an apocalyptic number.
It is an amenable number.
12890429125 is a deficient number, since it is larger than the sum of its proper divisors (5716621883).
12890429125 is an equidigital number, since it uses as much as digits as its factorization.
12890429125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177598 (or 177588 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 43.
The spelling of 12890429125 in words is "twelve billion, eight hundred ninety million, four hundred twenty-nine thousand, one hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •