Base | Representation |
---|---|
bin | 10111011000010101… |
… | …11110011111011111 |
3 | 1012101210020121022200 |
4 | 23230022332133133 |
5 | 201201333004400 |
6 | 5433313542543 |
7 | 623025144150 |
oct | 135412763737 |
9 | 35353217280 |
10 | 12552234975 |
11 | 5361455a15 |
12 | 2523874a53 |
13 | 12506a8397 |
14 | 8710cd927 |
15 | 4d6ea5b00 |
hex | 2ec2be7df |
12552234975 has 36 divisors (see below), whose sum is σ = 25694228976. Its totient is φ = 5738163840.
The previous prime is 12552234973. The next prime is 12552234979. The reversal of 12552234975 is 57943225521.
12552234975 is a `hidden beast` number, since 1 + 2 + 5 + 522 + 34 + 97 + 5 = 666.
It is not a de Polignac number, because 12552234975 - 21 = 12552234973 is a prime.
It is a super-2 number, since 2×125522349752 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 12552234975.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12552234973) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3983262 + ... + 3986411.
Almost surely, 212552234975 is an apocalyptic number.
12552234975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12552234975 is an abundant number, since it is smaller than the sum of its proper divisors (13141994001).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12552234975 is a wasteful number, since it uses less digits than its factorization.
12552234975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7969696 (or 7969688 counting only the distinct ones).
The product of its digits is 756000, while the sum is 45.
The spelling of 12552234975 in words is "twelve billion, five hundred fifty-two million, two hundred thirty-four thousand, nine hundred seventy-five".
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