Base | Representation |
---|---|
bin | 10111011100110111… |
… | …11000011001011111 |
3 | 1012111102201111012121 |
4 | 23232123320121133 |
5 | 201241044032040 |
6 | 5441152043411 |
7 | 623666053240 |
oct | 135633703137 |
9 | 35442644177 |
10 | 12590220895 |
11 | 538094033a |
12 | 2534533567 |
13 | 1258518265 |
14 | 87617acc7 |
15 | 4da4aac4a |
hex | 2ee6f865f |
12590220895 has 16 divisors (see below), whose sum is σ = 18175357440. Its totient is φ = 8178909984.
The previous prime is 12590220889. The next prime is 12590220913. The reversal of 12590220895 is 59802209521.
It is not a de Polignac number, because 12590220895 - 27 = 12590220767 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9465667 + ... + 9466996.
It is an arithmetic number, because the mean of its divisors is an integer number (1135959840).
Almost surely, 212590220895 is an apocalyptic number.
12590220895 is a deficient number, since it is larger than the sum of its proper divisors (5585136545).
12590220895 is a wasteful number, since it uses less digits than its factorization.
12590220895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18932694.
The product of its (nonzero) digits is 129600, while the sum is 43.
The spelling of 12590220895 in words is "twelve billion, five hundred ninety million, two hundred twenty thousand, eight hundred ninety-five".
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