Base | Representation |
---|---|
bin | 11000110110110110… |
… | …01011100100111111 |
3 | 1021110000222211222212 |
4 | 30123123023210333 |
5 | 204312310341111 |
6 | 10044113531035 |
7 | 651462505421 |
oct | 143333134477 |
9 | 37400884885 |
10 | 13345012031 |
11 | 5728a0306a |
12 | 2705273a7b |
13 | 13489cc730 |
14 | 9084d8811 |
15 | 5318a298b |
hex | 31b6cb93f |
13345012031 has 16 divisors (see below), whose sum is σ = 14724065664. Its totient is φ = 12017031264.
The previous prime is 13345012001. The next prime is 13345012033. The reversal of 13345012031 is 13021054331.
It is a cyclic number.
It is not a de Polignac number, because 13345012031 - 210 = 13345011007 is a prime.
It is a super-2 number, since 2×133450120312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13345011988 and 13345012006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13345012033) 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, 447860 + ... + 476726.
It is an arithmetic number, because the mean of its divisors is an integer number (920254104).
Almost surely, 213345012031 is an apocalyptic number.
13345012031 is a deficient number, since it is larger than the sum of its proper divisors (1379053633).
13345012031 is a wasteful number, since it uses less digits than its factorization.
13345012031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29750.
The product of its (nonzero) digits is 1080, while the sum is 23.
Adding to 13345012031 its reverse (13021054331), we get a palindrome (26366066362).
The spelling of 13345012031 in words is "thirteen billion, three hundred forty-five million, twelve thousand, thirty-one".
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