Base | Representation |
---|---|
bin | 1011111011001011000100… |
… | …1000101011110000100101 |
3 | 1201102102022220120001122002 |
4 | 2332302301020223300211 |
5 | 3204303230234443023 |
6 | 43515112504215045 |
7 | 2522153025306065 |
oct | 276626110536045 |
9 | 51372286501562 |
10 | 13111212031013 |
11 | 41a5485423728 |
12 | 157905a46a485 |
13 | 7414c72cc925 |
14 | 33482c18b3a5 |
15 | 17b0bcd94b28 |
hex | becb122bc25 |
13111212031013 has 16 divisors (see below), whose sum is σ = 13583465102592. Its totient is φ = 12646939968000.
The previous prime is 13111212030997. The next prime is 13111212031019. The reversal of 13111212031013 is 31013021211131.
13111212031013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 13111212031013 - 24 = 13111212030997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13111212031019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3048356 + ... + 5959437.
It is an arithmetic number, because the mean of its divisors is an integer number (848966568912).
Almost surely, 213111212031013 is an apocalyptic number.
It is an amenable number.
13111212031013 is a deficient number, since it is larger than the sum of its proper divisors (472253071579).
13111212031013 is a wasteful number, since it uses less digits than its factorization.
13111212031013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9008236.
The product of its (nonzero) digits is 108, while the sum is 20.
Adding to 13111212031013 its reverse (31013021211131), we get a palindrome (44124233242144).
The spelling of 13111212031013 in words is "thirteen trillion, one hundred eleven billion, two hundred twelve million, thirty-one thousand, thirteen".
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