Base | Representation |
---|---|
bin | 11110000000001000… |
… | …01000010100000110 |
3 | 1112120112120001020222 |
4 | 33000010020110012 |
5 | 230441421204430 |
6 | 11222145224342 |
7 | 1110103011614 |
oct | 170004102406 |
9 | 45515501228 |
10 | 16107209990 |
11 | 69161112a3 |
12 | 31563320b2 |
13 | 16990526b1 |
14 | acb2bc6b4 |
15 | 6441219e5 |
hex | 3c0108506 |
16107209990 has 16 divisors (see below), whose sum is σ = 29000941920. Its totient is φ = 6441114240.
The previous prime is 16107209983. The next prime is 16107209999. The reversal of 16107209990 is 9990270161.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16107209999) 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, 182675 + ... + 256094.
It is an arithmetic number, because the mean of its divisors is an integer number (1812558870).
Almost surely, 216107209990 is an apocalyptic number.
16107209990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
16107209990 is a deficient number, since it is larger than the sum of its proper divisors (12893731930).
16107209990 is a wasteful number, since it uses less digits than its factorization.
16107209990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 442447.
The product of its (nonzero) digits is 61236, while the sum is 44.
The spelling of 16107209990 in words is "sixteen billion, one hundred seven million, two hundred nine thousand, nine hundred ninety".
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