Base | Representation |
---|---|
bin | 10011001101000010… |
… | …11110111100111101 |
3 | 222121112001122221020 |
4 | 21212201132330331 |
5 | 132103324110112 |
6 | 4423014454353 |
7 | 513330311340 |
oct | 114641367475 |
9 | 28545048836 |
10 | 10309988157 |
11 | 44107a0777 |
12 | 1bb89643b9 |
13 | c83ca4611 |
14 | 6db3b6457 |
15 | 4051e148c |
hex | 26685ef3d |
10309988157 has 32 divisors (see below), whose sum is σ = 16260921600. Its totient is φ = 5685216768.
The previous prime is 10309988149. The next prime is 10309988167. The reversal of 10309988157 is 75188990301.
It is not a de Polignac number, because 10309988157 - 23 = 10309988149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10309988137) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1590519 + ... + 1596987.
It is an arithmetic number, because the mean of its divisors is an integer number (508153800).
Almost surely, 210309988157 is an apocalyptic number.
It is an amenable number.
10309988157 is a deficient number, since it is larger than the sum of its proper divisors (5950933443).
10309988157 is a wasteful number, since it uses less digits than its factorization.
10309988157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9125.
The product of its (nonzero) digits is 544320, while the sum is 51.
The spelling of 10309988157 in words is "ten billion, three hundred nine million, nine hundred eighty-eight thousand, one hundred fifty-seven".
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