Base | Representation |
---|---|
bin | 1011101110111010001000… |
… | …1001011110000011000011 |
3 | 1200200021110112012122220120 |
4 | 2323232202021132003003 |
5 | 3142330214314300001 |
6 | 43234224452111323 |
7 | 2501013410526414 |
oct | 273564211360303 |
9 | 50607415178816 |
10 | 12900507181251 |
11 | 412408aa96458 |
12 | 1544255905543 |
13 | 727688276631 |
14 | 3285604a980b |
15 | 175889c33236 |
hex | bbba225e0c3 |
12900507181251 has 32 divisors (see below), whose sum is σ = 18567356025600. Its totient is φ = 7937397811200.
The previous prime is 12900507181189. The next prime is 12900507181277. The reversal of 12900507181251 is 15218170500921.
12900507181251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12900507181251 - 26 = 12900507181187 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12900507181291) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4139161 + ... + 6552378.
It is an arithmetic number, because the mean of its divisors is an integer number (580229875800).
Almost surely, 212900507181251 is an apocalyptic number.
12900507181251 is a deficient number, since it is larger than the sum of its proper divisors (5666848844349).
12900507181251 is a wasteful number, since it uses less digits than its factorization.
12900507181251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10692019.
The product of its (nonzero) digits is 50400, while the sum is 42.
The spelling of 12900507181251 in words is "twelve trillion, nine hundred billion, five hundred seven million, one hundred eighty-one thousand, two hundred fifty-one".
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