Base | Representation |
---|---|
bin | 10111011000010110… |
… | …00011011110101101 |
3 | 1012101210021122100100 |
4 | 23230023003132231 |
5 | 201201334133110 |
6 | 5433314221313 |
7 | 623025260544 |
oct | 135413033655 |
9 | 35353248310 |
10 | 12552255405 |
11 | 536146a2a8 |
12 | 2523884839 |
13 | 12506b4781 |
14 | 8710d715b |
15 | 4d6eabbc0 |
hex | 2ec2c37ad |
12552255405 has 48 divisors (see below), whose sum is σ = 24038726400. Its totient is φ = 6026786304.
The previous prime is 12552255403. The next prime is 12552255407. The reversal of 12552255405 is 50455225521.
12552255405 is a `hidden beast` number, since 1 + 25 + 5 + 225 + 5 + 405 = 666.
It is an interprime number because it is at equal distance from previous prime (12552255403) and next prime (12552255407).
It is not a de Polignac number, because 12552255405 - 21 = 12552255403 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12552255405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12552255403) 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 47 ways as a sum of consecutive naturals, for example, 339105 + ... + 374294.
It is an arithmetic number, because the mean of its divisors is an integer number (500806800).
Almost surely, 212552255405 is an apocalyptic number.
12552255405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12552255405 is a deficient number, since it is larger than the sum of its proper divisors (11486470995).
12552255405 is a wasteful number, since it uses less digits than its factorization.
12552255405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 713450 (or 713447 counting only the distinct ones).
The product of its (nonzero) digits is 100000, while the sum is 36.
The spelling of 12552255405 in words is "twelve billion, five hundred fifty-two million, two hundred fifty-five thousand, four hundred five".
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