Base | Representation |
---|---|
bin | 10111011010100111… |
… | …10101010001111000 |
3 | 1012110010011220220210 |
4 | 23231103311101320 |
5 | 201221230140002 |
6 | 5435235151120 |
7 | 623346400545 |
oct | 135523652170 |
9 | 35403156823 |
10 | 12571333752 |
11 | 537121012a |
12 | 252a1454a0 |
13 | 1254634533 |
14 | 873861bcc |
15 | 4d89c996c |
hex | 2ed4f5478 |
12571333752 has 32 divisors (see below), whose sum is σ = 31733470080. Its totient is φ = 4149759840.
The previous prime is 12571333739. The next prime is 12571333759. The reversal of 12571333752 is 25733317521.
It is a self number, because there is not a number n which added to its sum of digits gives 12571333752.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12571333759) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2540274 + ... + 2545217.
It is an arithmetic number, because the mean of its divisors is an integer number (991670940).
Almost surely, 212571333752 is an apocalyptic number.
12571333752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12571333752 is an abundant number, since it is smaller than the sum of its proper divisors (19162136328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12571333752 is a wasteful number, since it uses less digits than its factorization.
12571333752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5085603 (or 5085599 counting only the distinct ones).
The product of its digits is 132300, while the sum is 39.
The spelling of 12571333752 in words is "twelve billion, five hundred seventy-one million, three hundred thirty-three thousand, seven hundred fifty-two".
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