Base | Representation |
---|---|
bin | 11000011100011111… |
… | …00010011010110011 |
3 | 1020212121211222000122 |
4 | 30032033202122303 |
5 | 203334201343201 |
6 | 10010133440455 |
7 | 643135635665 |
oct | 141617423263 |
9 | 36777758018 |
10 | 13123856051 |
11 | 5625090329 |
12 | 26631a012b |
13 | 1311c48ac7 |
14 | 8c6daa535 |
15 | 51c269e1b |
hex | 30e3e26b3 |
13123856051 has 8 divisors (see below), whose sum is σ = 13695609600. Its totient is φ = 12552198472.
The previous prime is 13123856033. The next prime is 13123856059. The reversal of 13123856051 is 15065832131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13123856051 - 210 = 13123855027 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13123856059) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489800 + ... + 515898.
It is an arithmetic number, because the mean of its divisors is an integer number (1711951200).
Almost surely, 213123856051 is an apocalyptic number.
13123856051 is a deficient number, since it is larger than the sum of its proper divisors (571753549).
13123856051 is a wasteful number, since it uses less digits than its factorization.
13123856051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47985.
The product of its (nonzero) digits is 21600, while the sum is 35.
The spelling of 13123856051 in words is "thirteen billion, one hundred twenty-three million, eight hundred fifty-six thousand, fifty-one".
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