Base | Representation |
---|---|
bin | 10111010010001001… |
… | …01010111000011011 |
3 | 1012021011102111112101 |
4 | 23221010222320123 |
5 | 201100031001024 |
6 | 5424215424231 |
7 | 621524241646 |
oct | 135104527033 |
9 | 35234374471 |
10 | 12500250139 |
11 | 5335079a43 |
12 | 250a385077 |
13 | 12429a6720 |
14 | 86823aa5d |
15 | 4d2637c44 |
hex | 2e912ae1b |
12500250139 has 8 divisors (see below), whose sum is σ = 13462718192. Its totient is φ = 11537912160.
The previous prime is 12500250137. The next prime is 12500250193. The reversal of 12500250139 is 93105200521.
12500250139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12500250139 - 21 = 12500250137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12500250137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274492 + ... + 316774.
It is an arithmetic number, because the mean of its divisors is an integer number (1682839774).
Almost surely, 212500250139 is an apocalyptic number.
12500250139 is a deficient number, since it is larger than the sum of its proper divisors (962468053).
12500250139 is a wasteful number, since it uses less digits than its factorization.
12500250139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65037.
The product of its (nonzero) digits is 2700, while the sum is 28.
The spelling of 12500250139 in words is "twelve billion, five hundred million, two hundred fifty thousand, one hundred thirty-nine".
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