Base | Representation |
---|---|
bin | 11110001010000111… |
… | …01101100000101111 |
3 | 1112210101012022201210 |
4 | 33011003231200233 |
5 | 231124343030122 |
6 | 11234341005503 |
7 | 1112141053440 |
oct | 170503554057 |
9 | 45711168653 |
10 | 16190986287 |
11 | 6959431703 |
12 | 317a3b3893 |
13 | 16b0505878 |
14 | ad84892c7 |
15 | 64b66e40c |
hex | 3c50ed82f |
16190986287 has 32 divisors (see below), whose sum is σ = 26175078400. Its totient is φ = 8696001888.
The previous prime is 16190986267. The next prime is 16190986291. The reversal of 16190986287 is 78268909161.
It is not a de Polignac number, because 16190986287 - 219 = 16190461999 is a prime.
It is a super-3 number, since 3×161909862873 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16190986267) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109087 + ... + 210432.
It is an arithmetic number, because the mean of its divisors is an integer number (817971200).
Almost surely, 216190986287 is an apocalyptic number.
16190986287 is a deficient number, since it is larger than the sum of its proper divisors (9984092113).
16190986287 is a wasteful number, since it uses less digits than its factorization.
16190986287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 319675.
The product of its (nonzero) digits is 2612736, while the sum is 57.
The spelling of 16190986287 in words is "sixteen billion, one hundred ninety million, nine hundred eighty-six thousand, two hundred eighty-seven".
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