Base | Representation |
---|---|
bin | 10111110101100101… |
… | …00101001000000100 |
3 | 1020000212202020202020 |
4 | 23322302211020010 |
5 | 202202124412420 |
6 | 5513514443140 |
7 | 632063636250 |
oct | 137262451004 |
9 | 36025666666 |
10 | 12797497860 |
11 | 5477943614 |
12 | 2591a334b0 |
13 | 128c44c854 |
14 | 8958d5260 |
15 | 4ed7a1340 |
hex | 2faca5204 |
12797497860 has 48 divisors (see below), whose sum is σ = 40951994496. Its totient is φ = 2925142272.
The previous prime is 12797497859. The next prime is 12797497897. The reversal of 12797497860 is 6879479721.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a junction number, because it is equal to n+sod(n) for n = 12797497794 and 12797497803.
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, 15234697 + ... + 15235536.
It is an arithmetic number, because the mean of its divisors is an integer number (853166552).
Almost surely, 212797497860 is an apocalyptic number.
12797497860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12797497860 is an abundant number, since it is smaller than the sum of its proper divisors (28154496636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12797497860 is a wasteful number, since it uses less digits than its factorization.
12797497860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30470252 (or 30470250 counting only the distinct ones).
The product of its (nonzero) digits is 10668672, while the sum is 60.
The spelling of 12797497860 in words is "twelve billion, seven hundred ninety-seven million, four hundred ninety-seven thousand, eight hundred sixty".
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