Base | Representation |
---|---|
bin | 11000011101011000… |
… | …00011011010000010 |
3 | 1020220010220202000002 |
4 | 30032230003122002 |
5 | 203343110044302 |
6 | 10011002000002 |
7 | 643256321303 |
oct | 141654033202 |
9 | 36803822002 |
10 | 13131331202 |
11 | 5629326540 |
12 | 26657a6002 |
13 | 1313665382 |
14 | 8c7d947aa |
15 | 51cc44c02 |
hex | 30eb03682 |
13131331202 has 16 divisors (see below), whose sum is σ = 21489656832. Its totient is φ = 5968224720.
The previous prime is 13131331141. The next prime is 13131331219. The reversal of 13131331202 is 20213313131.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291548 + ... + 333560.
It is an arithmetic number, because the mean of its divisors is an integer number (1343103552).
Almost surely, 213131331202 is an apocalyptic number.
13131331202 is a deficient number, since it is larger than the sum of its proper divisors (8358325630).
13131331202 is a wasteful number, since it uses less digits than its factorization.
13131331202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56233.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 13131331202 its reverse (20213313131), we get a palindrome (33344644333).
The spelling of 13131331202 in words is "thirteen billion, one hundred thirty-one million, three hundred thirty-one thousand, two hundred two".
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