Base | Representation |
---|---|
bin | 10110011010111111… |
… | …11010001001101000 |
3 | 1011001220220212222100 |
4 | 23031133322021220 |
5 | 144123113103040 |
6 | 5310252053400 |
7 | 604206103611 |
oct | 131537721150 |
9 | 34056825870 |
10 | 12037628520 |
11 | 5117a22525 |
12 | 23bb464260 |
13 | 119abaab18 |
14 | 822a14c08 |
15 | 4a6c04b30 |
hex | 2cd7fa268 |
12037628520 has 96 divisors (see below), whose sum is σ = 39139630920. Its totient is φ = 3208611840.
The previous prime is 12037628483. The next prime is 12037628521. The reversal of 12037628520 is 2582673021.
12037628520 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 7 + 628 + 5 + 20 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 8360176356 + 3677452164 = 91434^2 + 60642^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (12037628521) 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 23 ways as a sum of consecutive naturals, for example, 993700 + ... + 1005740.
Almost surely, 212037628520 is an apocalyptic number.
12037628520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12037628520 is an abundant number, since it is smaller than the sum of its proper divisors (27102002400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12037628520 is a wasteful number, since it uses less digits than its factorization.
12037628520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14835 (or 14828 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The spelling of 12037628520 in words is "twelve billion, thirty-seven million, six hundred twenty-eight thousand, five hundred twenty".
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