Base | Representation |
---|---|
bin | 11011100010100100… |
… | …10010100100110111 |
3 | 1102011102120100011000 |
4 | 31301102102210313 |
5 | 220240043200400 |
6 | 10443053014343 |
7 | 1032253602030 |
oct | 156122224467 |
9 | 42142510130 |
10 | 14785521975 |
11 | 62a8050554 |
12 | 2a477843b3 |
13 | 1518292b93 |
14 | a03953a87 |
15 | 5b809a600 |
hex | 371492937 |
14785521975 has 96 divisors (see below), whose sum is σ = 31080867840. Its totient is φ = 6750587520.
The previous prime is 14785521841. The next prime is 14785521997. The reversal of 14785521975 is 57912558741.
14785521975 is a `hidden beast` number, since 1 + 4 + 7 + 8 + 552 + 19 + 75 = 666.
14785521975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 14785521975 - 28 = 14785521719 is a prime.
It is a super-2 number, since 2×147855219752 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5210257 + ... + 5213093.
It is an arithmetic number, because the mean of its divisors is an integer number (323759040).
Almost surely, 214785521975 is an apocalyptic number.
14785521975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
14785521975 is an abundant number, since it is smaller than the sum of its proper divisors (16295345865).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14785521975 is a wasteful number, since it uses less digits than its factorization.
14785521975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3966 (or 3955 counting only the distinct ones).
The product of its digits is 3528000, while the sum is 54.
The spelling of 14785521975 in words is "fourteen billion, seven hundred eighty-five million, five hundred twenty-one thousand, nine hundred seventy-five".
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