Base | Representation |
---|---|
bin | 10010110111101110… |
… | …11101101111100001 |
3 | 222011001122100001102 |
4 | 21123313131233201 |
5 | 131222041412433 |
6 | 4353150444145 |
7 | 506026534064 |
oct | 113367355741 |
9 | 28131570042 |
10 | 10131200993 |
11 | 4329887291 |
12 | 1b68b03655 |
13 | c55c367b4 |
14 | 6c17568db |
15 | 3e46774e8 |
hex | 25bdddbe1 |
10131200993 has 4 divisors (see below), whose sum is σ = 10139062020. Its totient is φ = 10123339968.
The previous prime is 10131200951. The next prime is 10131201037. The reversal of 10131200993 is 39900213101.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3862995409 + 6268205584 = 62153^2 + 79172^2 .
It is a cyclic number.
It is not a de Polignac number, because 10131200993 - 216 = 10131135457 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10131200293) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3928580 + ... + 3931157.
It is an arithmetic number, because the mean of its divisors is an integer number (2534765505).
Almost surely, 210131200993 is an apocalyptic number.
It is an amenable number.
10131200993 is a deficient number, since it is larger than the sum of its proper divisors (7861027).
10131200993 is an equidigital number, since it uses as much as digits as its factorization.
10131200993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7861026.
The product of its (nonzero) digits is 1458, while the sum is 29.
The spelling of 10131200993 in words is "ten billion, one hundred thirty-one million, two hundred thousand, nine hundred ninety-three".
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