Base | Representation |
---|---|
bin | 10111011111110100… |
… | …10011101010110000 |
3 | 1012120011022002021000 |
4 | 23233322103222300 |
5 | 201313413133003 |
6 | 5443434402000 |
7 | 624416340141 |
oct | 135772235260 |
9 | 35504262230 |
10 | 12614974128 |
11 | 5393907859 |
12 | 2540890300 |
13 | 12606a4043 |
14 | 879581ac8 |
15 | 4dc74a1a3 |
hex | 2efe93ab0 |
12614974128 has 120 divisors (see below), whose sum is σ = 37853115440. Its totient is φ = 4022092800.
The previous prime is 12614974123. The next prime is 12614974159. The reversal of 12614974128 is 82147941621.
12614974128 is a `hidden beast` number, since 1 + 2 + 614 + 9 + 7 + 4 + 1 + 28 = 666.
It is not an unprimeable number, because it can be changed into a prime (12614974123) 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, 200928 + ... + 256128.
Almost surely, 212614974128 is an apocalyptic number.
12614974128 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 12614974128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18926557720).
12614974128 is an abundant number, since it is smaller than the sum of its proper divisors (25238141312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12614974128 is a wasteful number, since it uses less digits than its factorization.
12614974128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55264 (or 55229 counting only the distinct ones).
The product of its digits is 193536, while the sum is 45.
It can be divided in two parts, 1261497 and 4128, that added together give a square (1265625 = 11252).
The spelling of 12614974128 in words is "twelve billion, six hundred fourteen million, nine hundred seventy-four thousand, one hundred twenty-eight".
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