Base | Representation |
---|---|
bin | 11000101010101101… |
… | …00101000110110001 |
3 | 1021011221022100101010 |
4 | 30111112211012301 |
5 | 204110221030302 |
6 | 10030034301133 |
7 | 646114566060 |
oct | 142526450661 |
9 | 37157270333 |
10 | 13243142577 |
11 | 5686455035 |
12 | 26971277a9 |
13 | 1330883052 |
14 | 8d8b7c1d7 |
15 | 52797e16c |
hex | 3155a51b1 |
13243142577 has 16 divisors (see below), whose sum is σ = 20609390592. Its totient is φ = 7406498640.
The previous prime is 13243142543. The next prime is 13243142587. The reversal of 13243142577 is 77524134231.
It is not a de Polignac number, because 13243142577 - 26 = 13243142513 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13243142587) 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, 6707799 + ... + 6709772.
It is an arithmetic number, because the mean of its divisors is an integer number (1288086912).
Almost surely, 213243142577 is an apocalyptic number.
It is an amenable number.
13243142577 is a deficient number, since it is larger than the sum of its proper divisors (7366248015).
13243142577 is a wasteful number, since it uses less digits than its factorization.
13243142577 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13417628.
The product of its digits is 141120, while the sum is 39.
The spelling of 13243142577 in words is "thirteen billion, two hundred forty-three million, one hundred forty-two thousand, five hundred seventy-seven".
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