Base | Representation |
---|---|
bin | 11000011100011010… |
… | …11101001001111010 |
3 | 1020212120211020021000 |
4 | 30032031131021322 |
5 | 203334031411302 |
6 | 10010114025430 |
7 | 643131203412 |
oct | 141615351172 |
9 | 36776736230 |
10 | 13123310202 |
11 | 5624848212 |
12 | 2662b78276 |
13 | 1311ab7512 |
14 | 8c6ca7642 |
15 | 51c1ad31c |
hex | 30e35d27a |
13123310202 has 64 divisors (see below), whose sum is σ = 30810585600. Its totient is φ = 4133707200.
The previous prime is 13123310141. The next prime is 13123310227. The reversal of 13123310202 is 20201332131.
13123310202 is a `hidden beast` number, since 1 + 312 + 331 + 0 + 20 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15549 + ... + 162752.
It is an arithmetic number, because the mean of its divisors is an integer number (481415400).
Almost surely, 213123310202 is an apocalyptic number.
13123310202 is an abundant number, since it is smaller than the sum of its proper divisors (17687275398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13123310202 is a wasteful number, since it uses less digits than its factorization.
13123310202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178388 (or 178382 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 13123310202 its reverse (20201332131), we get a palindrome (33324642333).
The spelling of 13123310202 in words is "thirteen billion, one hundred twenty-three million, three hundred ten thousand, two hundred two".
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