Base | Representation |
---|---|
bin | 10111010001110001… |
… | …00010001100000000 |
3 | 1012020221102212120000 |
4 | 23220320202030000 |
5 | 201043222200200 |
6 | 5424023320000 |
7 | 621455221626 |
oct | 135070421400 |
9 | 35227385500 |
10 | 12497068800 |
11 | 53332a6837 |
12 | 25092b0000 |
13 | 1242131688 |
14 | 867a4d516 |
15 | 4d220a300 |
hex | 2e8e22300 |
12497068800 has 270 divisors, whose sum is σ = 46209274188. Its totient is φ = 3332413440.
The previous prime is 12497068789. The next prime is 12497068813. The reversal of 12497068800 is 886079421.
It is a tau number, because it is divible by the number of its divisors (270).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 506347 + ... + 530453.
Almost surely, 212497068800 is an apocalyptic number.
12497068800 is a gapful number since it is divisible by the number (10) 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 12497068800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23104637094).
12497068800 is an abundant number, since it is smaller than the sum of its proper divisors (33712205388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12497068800 is an equidigital number, since it uses as much as digits as its factorization.
12497068800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24145 (or 24117 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The spelling of 12497068800 in words is "twelve billion, four hundred ninety-seven million, sixty-eight thousand, eight hundred".
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