Base | Representation |
---|---|
bin | 11000011100100001… |
… | …11001000110111001 |
3 | 1020212122112000002200 |
4 | 30032100321012321 |
5 | 203334244224004 |
6 | 10010145220413 |
7 | 643141645131 |
oct | 141620710671 |
9 | 36778460080 |
10 | 13124211129 |
11 | 5625303087 |
12 | 2663331709 |
13 | 1312041603 |
14 | 8c705dac1 |
15 | 51c2da239 |
hex | 30e4391b9 |
13124211129 has 12 divisors (see below), whose sum is σ = 18958582500. Its totient is φ = 8748833184.
The previous prime is 13124211127. The next prime is 13124211167. The reversal of 13124211129 is 92111242131.
It can be written as a sum of positive squares in 2 ways, for example, as 6965571600 + 6158639529 = 83460^2 + 78477^2 .
It is not a de Polignac number, because 13124211129 - 21 = 13124211127 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13124211127) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99247 + ... + 189995.
It is an arithmetic number, because the mean of its divisors is an integer number (1579881875).
Almost surely, 213124211129 is an apocalyptic number.
It is an amenable number.
13124211129 is a deficient number, since it is larger than the sum of its proper divisors (5834371371).
13124211129 is a wasteful number, since it uses less digits than its factorization.
13124211129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106824 (or 106821 counting only the distinct ones).
The product of its digits is 864, while the sum is 27.
The spelling of 13124211129 in words is "thirteen billion, one hundred twenty-four million, two hundred eleven thousand, one hundred twenty-nine".
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