Base | Representation |
---|---|
bin | 11000010101011011… |
… | …01001100101111010 |
3 | 1020201111102112002112 |
4 | 30022231221211322 |
5 | 203224022002030 |
6 | 10000220332322 |
7 | 641516421020 |
oct | 141255514572 |
9 | 36644375075 |
10 | 13064640890 |
11 | 55a4716084 |
12 | 26473a40a2 |
13 | 13028b5152 |
14 | 8bd194710 |
15 | 516e6ea95 |
hex | 30ab6997a |
13064640890 has 16 divisors (see below), whose sum is σ = 26875832832. Its totient is φ = 4479305424.
The previous prime is 13064640887. The next prime is 13064640907. The reversal of 13064640890 is 9804646031.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93318794 + ... + 93318933.
It is an arithmetic number, because the mean of its divisors is an integer number (1679739552).
Almost surely, 213064640890 is an apocalyptic number.
13064640890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13064640890 is an abundant number, since it is smaller than the sum of its proper divisors (13811191942).
13064640890 is a wasteful number, since it uses less digits than its factorization.
13064640890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186637741.
The product of its (nonzero) digits is 124416, while the sum is 41.
The spelling of 13064640890 in words is "thirteen billion, sixty-four million, six hundred forty thousand, eight hundred ninety".
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