Base | Representation |
---|---|
bin | 10111010010111100… |
… | …00010111101000101 |
3 | 1012021121221110122020 |
4 | 23221132002331011 |
5 | 201103231333331 |
6 | 5425014153353 |
7 | 621634626063 |
oct | 135136027505 |
9 | 35247843566 |
10 | 12506902341 |
11 | 533890292a |
12 | 2510652859 |
13 | 124419553b |
14 | 86908d033 |
15 | 4d2eedc96 |
hex | 2e9782f45 |
12506902341 has 8 divisors (see below), whose sum is σ = 16692942144. Its totient is φ = 8329398720.
The previous prime is 12506902339. The next prime is 12506902357. The reversal of 12506902341 is 14320960521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12506902341 - 21 = 12506902339 is a prime.
It is a super-2 number, since 2×125069023412 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12506902321) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2130625 + ... + 2136486.
It is an arithmetic number, because the mean of its divisors is an integer number (2086617768).
Almost surely, 212506902341 is an apocalyptic number.
It is an amenable number.
12506902341 is a deficient number, since it is larger than the sum of its proper divisors (4186039803).
12506902341 is an equidigital number, since it uses as much as digits as its factorization.
12506902341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4268091.
The product of its (nonzero) digits is 12960, while the sum is 33.
The spelling of 12506902341 in words is "twelve billion, five hundred six million, nine hundred two thousand, three hundred forty-one".
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