Base | Representation |
---|---|
bin | 1011110101100100110000… |
… | …1011000110000110011001 |
3 | 1201002020001201222221011211 |
4 | 2331121030023012012121 |
5 | 3201214234343240430 |
6 | 43403004405423121 |
7 | 2512206356120341 |
oct | 275311413060631 |
9 | 51066051887154 |
10 | 13015028883865 |
11 | 416870855a678 |
12 | 1562496a0aaa1 |
13 | 7354094a83c8 |
14 | 32dd06007d21 |
15 | 17883dca472a |
hex | bd64c2c6199 |
13015028883865 has 16 divisors (see below), whose sum is σ = 17070185894400. Its totient is φ = 9483436604160.
The previous prime is 13015028883853. The next prime is 13015028883887. The reversal of 13015028883865 is 56838882051031.
It is not a de Polignac number, because 13015028883865 - 225 = 13014995329433 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2469642315 + ... + 2469647584.
It is an arithmetic number, because the mean of its divisors is an integer number (1066886618400).
Almost surely, 213015028883865 is an apocalyptic number.
It is an amenable number.
13015028883865 is a deficient number, since it is larger than the sum of its proper divisors (4055157010535).
13015028883865 is a wasteful number, since it uses less digits than its factorization.
13015028883865 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4939289952.
The product of its (nonzero) digits is 11059200, while the sum is 58.
The spelling of 13015028883865 in words is "thirteen trillion, fifteen billion, twenty-eight million, eight hundred eighty-three thousand, eight hundred sixty-five".
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