Base | Representation |
---|---|
bin | 10001101010000010… |
… | …110111100100111101 |
3 | 1210221021201021221220 |
4 | 101222002313210331 |
5 | 302312001143023 |
6 | 12413141143553 |
7 | 1240551615003 |
oct | 215202674475 |
9 | 53837637856 |
10 | 18959006013 |
11 | 8049956912 |
12 | 38113babb9 |
13 | 1a31b1666c |
14 | cbbd46a73 |
15 | 75e68d3e3 |
hex | 46a0b793d |
18959006013 has 16 divisors (see below), whose sum is σ = 25784947200. Its totient is φ = 12388098096.
The previous prime is 18959005993. The next prime is 18959006057. The reversal of 18959006013 is 31060095981.
It is not a de Polignac number, because 18959006013 - 210 = 18959004989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18959006813) 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, 196995 + ... + 276992.
It is an arithmetic number, because the mean of its divisors is an integer number (1611559200).
Almost surely, 218959006013 is an apocalyptic number.
It is an amenable number.
18959006013 is a deficient number, since it is larger than the sum of its proper divisors (6825941187).
18959006013 is a wasteful number, since it uses less digits than its factorization.
18959006013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 474256.
The product of its (nonzero) digits is 58320, while the sum is 42.
The spelling of 18959006013 in words is "eighteen billion, nine hundred fifty-nine million, six thousand, thirteen".
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