Base | Representation |
---|---|
bin | 11000010001011110… |
… | …11011010111000010 |
3 | 1020122012011110021202 |
4 | 30020233123113002 |
5 | 203142034134300 |
6 | 5553035221202 |
7 | 640635240200 |
oct | 141057332702 |
9 | 36565143252 |
10 | 13031552450 |
11 | 5587a76264 |
12 | 26382a7802 |
13 | 12c8a9b4a7 |
14 | 8b8a20070 |
15 | 5140d5ad5 |
hex | 308bdb5c2 |
13031552450 has 72 divisors (see below), whose sum is σ = 28245275892. Its totient is φ = 4460158080.
The previous prime is 13031552447. The next prime is 13031552467. The reversal of 13031552450 is 5425513031.
13031552450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 312900721 + 12718651729 = 17689^2 + 112777^2 .
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 35 ways as a sum of consecutive naturals, for example, 1497512 + ... + 1506188.
Almost surely, 213031552450 is an apocalyptic number.
13031552450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13031552450 is an abundant number, since it is smaller than the sum of its proper divisors (15213723442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13031552450 is a wasteful number, since it uses less digits than its factorization.
13031552450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9316 (or 9304 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 29.
The spelling of 13031552450 in words is "thirteen billion, thirty-one million, five hundred fifty-two thousand, four hundred fifty".
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