Base | Representation |
---|---|
bin | 10001001001101110… |
… | …000010100100001101 |
3 | 1202112111020000210020 |
4 | 101021232002210031 |
5 | 300204132100320 |
6 | 12243245132353 |
7 | 1221245104164 |
oct | 211156024415 |
9 | 52474200706 |
10 | 18416675085 |
11 | 78a0807636 |
12 | 369b85a0b9 |
13 | 197665caa3 |
14 | c69cd23db |
15 | 72bc62940 |
hex | 449b8290d |
18416675085 has 16 divisors (see below), whose sum is σ = 29500148160. Its totient is φ = 9811070720.
The previous prime is 18416675071. The next prime is 18416675107. The reversal of 18416675085 is 58057661481.
It is not a de Polignac number, because 18416675085 - 227 = 18282457357 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683595 + ... + 710024.
It is an arithmetic number, because the mean of its divisors is an integer number (1843759260).
Almost surely, 218416675085 is an apocalyptic number.
18416675085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
18416675085 is a deficient number, since it is larger than the sum of its proper divisors (11083473075).
18416675085 is a wasteful number, since it uses less digits than its factorization.
18416675085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1394508.
The product of its (nonzero) digits is 1612800, while the sum is 51.
The spelling of 18416675085 in words is "eighteen billion, four hundred sixteen million, six hundred seventy-five thousand, eighty-five".
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