Base | Representation |
---|---|
bin | 10111011010111101… |
… | …11010101011010100 |
3 | 1012110022122112210000 |
4 | 23231132322223110 |
5 | 201223001130234 |
6 | 5435421331300 |
7 | 623413162134 |
oct | 135536725324 |
9 | 35408575700 |
10 | 12574239444 |
11 | 5372915228 |
12 | 252b106b30 |
13 | 1255110c90 |
14 | 873dbaac4 |
15 | 4d8da0899 |
hex | 2ed7baad4 |
12574239444 has 240 divisors, whose sum is σ = 37805201280. Its totient is φ = 3612107520.
The previous prime is 12574239407. The next prime is 12574239473. The reversal of 12574239444 is 44493247521.
12574239444 is a `hidden beast` number, since 1 + 2 + 574 + 2 + 39 + 4 + 44 = 666.
It is a super-2 number, since 2×125742394442 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12574239444.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5680882 + ... + 5683094.
It is an arithmetic number, because the mean of its divisors is an integer number (157521672).
Almost surely, 212574239444 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12574239444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18902600640).
12574239444 is an abundant number, since it is smaller than the sum of its proper divisors (25230961836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12574239444 is a wasteful number, since it uses less digits than its factorization.
12574239444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2332 (or 2321 counting only the distinct ones).
The product of its digits is 967680, while the sum is 45.
The spelling of 12574239444 in words is "twelve billion, five hundred seventy-four million, two hundred thirty-nine thousand, four hundred forty-four".
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