Base | Representation |
---|---|
bin | 10111010000110010… |
… | …11111110011000110 |
3 | 1012020101010111201102 |
4 | 23220121133303012 |
5 | 201034131320200 |
6 | 5423133100102 |
7 | 621326114033 |
oct | 135031376306 |
9 | 35211114642 |
10 | 12488932550 |
11 | 5329749966 |
12 | 2506627632 |
13 | 1240543223 |
14 | 86693238a |
15 | 4d164e6d5 |
hex | 2e865fcc6 |
12488932550 has 24 divisors (see below), whose sum is σ = 23232367200. Its totient is φ = 4994938080.
The previous prime is 12488932549. The next prime is 12488932601. The reversal of 12488932550 is 5523988421.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 12488932495 and 12488932504.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 710771 + ... + 728129.
It is an arithmetic number, because the mean of its divisors is an integer number (968015300).
Almost surely, 212488932550 is an apocalyptic number.
12488932550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12488932550 is a deficient number, since it is larger than the sum of its proper divisors (10743434650).
12488932550 is a wasteful number, since it uses less digits than its factorization.
12488932550 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31760 (or 31755 counting only the distinct ones).
The product of its (nonzero) digits is 691200, while the sum is 47.
The spelling of 12488932550 in words is "twelve billion, four hundred eighty-eight million, nine hundred thirty-two thousand, five hundred fifty".
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