Base | Representation |
---|---|
bin | 11000011001011000… |
… | …01100111100101000 |
3 | 1020210210211222120200 |
4 | 30030230030330220 |
5 | 203311020101343 |
6 | 10003403352200 |
7 | 642401412015 |
oct | 141454147450 |
9 | 36723758520 |
10 | 13097815848 |
11 | 56114149a7 |
12 | 2656522660 |
13 | 130972c2c0 |
14 | 8c374c70c |
15 | 519d244d3 |
hex | 30cb0cf28 |
13097815848 has 96 divisors (see below), whose sum is σ = 38351313000. Its totient is φ = 4014342144.
The previous prime is 13097815847. The next prime is 13097815877. The reversal of 13097815848 is 84851879031.
It can be written as a sum of positive squares in 4 ways, for example, as 13087817604 + 9998244 = 114402^2 + 3162^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13097815794 and 13097815803.
It is not an unprimeable number, because it can be changed into a prime (13097815847) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213328 + ... + 267776.
Almost surely, 213097815848 is an apocalyptic number.
13097815848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13097815848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19175656500).
13097815848 is an abundant number, since it is smaller than the sum of its proper divisors (25253497152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13097815848 is a wasteful number, since it uses less digits than its factorization.
13097815848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54731 (or 54724 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 54.
The spelling of 13097815848 in words is "thirteen billion, ninety-seven million, eight hundred fifteen thousand, eight hundred forty-eight".
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