Base | Representation |
---|---|
bin | 11000011000110001… |
… | …10111011001101101 |
3 | 1020210110022110020102 |
4 | 30030120313121231 |
5 | 203303220344421 |
6 | 10003103000445 |
7 | 642310340435 |
oct | 141430673155 |
9 | 36713273212 |
10 | 13092746861 |
11 | 5609572557 |
12 | 2654899125 |
13 | 1308675cbc |
14 | 8c2bcd2c5 |
15 | 51967260b |
hex | 30c63766d |
13092746861 has 4 divisors (see below), whose sum is σ = 13093035612. Its totient is φ = 13092458112.
The previous prime is 13092746831. The next prime is 13092746903. The reversal of 13092746861 is 16864729031.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1832353636 + 11260393225 = 42806^2 + 106115^2 .
It is a cyclic number.
It is not a de Polignac number, because 13092746861 - 222 = 13088552557 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13092746831) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59876 + ... + 172541.
It is an arithmetic number, because the mean of its divisors is an integer number (3273258903).
Almost surely, 213092746861 is an apocalyptic number.
It is an amenable number.
13092746861 is a deficient number, since it is larger than the sum of its proper divisors (288751).
13092746861 is an equidigital number, since it uses as much as digits as its factorization.
13092746861 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288750.
The product of its (nonzero) digits is 435456, while the sum is 47.
The spelling of 13092746861 in words is "thirteen billion, ninety-two million, seven hundred forty-six thousand, eight hundred sixty-one".
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