Base | Representation |
---|---|
bin | 10111011111011110… |
… | …01111101100000100 |
3 | 1012112221211202100220 |
4 | 23233233033230010 |
5 | 201312142333434 |
6 | 5443252304340 |
7 | 624352601520 |
oct | 135757175404 |
9 | 35487752326 |
10 | 12612074244 |
11 | 5392207060 |
12 | 253b9120b0 |
13 | 125cbca133 |
14 | 879028d80 |
15 | 4dc375d49 |
hex | 2efbcfb04 |
12612074244 has 48 divisors (see below), whose sum is σ = 36689673216. Its totient is φ = 3275863200.
The previous prime is 12612074213. The next prime is 12612074263. The reversal of 12612074244 is 44247021621.
It is a Harshad number since it is a multiple of its sum of digits (33).
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, 6823792 + ... + 6825639.
It is an arithmetic number, because the mean of its divisors is an integer number (764368192).
Almost surely, 212612074244 is an apocalyptic number.
12612074244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12612074244 is an abundant number, since it is smaller than the sum of its proper divisors (24077598972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12612074244 is a wasteful number, since it uses less digits than its factorization.
12612074244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13649456 (or 13649454 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 33.
Adding to 12612074244 its reverse (44247021621), we get a palindrome (56859095865).
The spelling of 12612074244 in words is "twelve billion, six hundred twelve million, seventy-four thousand, two hundred forty-four".
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