Base | Representation |
---|---|
bin | 1110001010111… |
… | …01100011011101 |
3 | 22021200100010020 |
4 | 13011131203131 |
5 | 220412403120 |
6 | 15443502353 |
7 | 2642253300 |
oct | 705354335 |
9 | 267610106 |
10 | 118872285 |
11 | 61111564 |
12 | 339879b9 |
13 | 1b82083c |
14 | 11b04b37 |
15 | a681640 |
hex | 715d8dd |
118872285 has 24 divisors (see below), whose sum is σ = 221249376. Its totient is φ = 54341280.
The previous prime is 118872283. The next prime is 118872323. The reversal of 118872285 is 582278811.
It is not a de Polignac number, because 118872285 - 21 = 118872283 is a prime.
It is a super-2 number, since 2×1188722852 = 28261240282242450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (118872283) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80131 + ... + 81600.
It is an arithmetic number, because the mean of its divisors is an integer number (9218724).
Almost surely, 2118872285 is an apocalyptic number.
118872285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
118872285 is a deficient number, since it is larger than the sum of its proper divisors (102377091).
118872285 is a wasteful number, since it uses less digits than its factorization.
118872285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161753 (or 161746 counting only the distinct ones).
The product of its digits is 71680, while the sum is 42.
The square root of 118872285 is about 10902.8567357367. The cubic root of 118872285 is about 491.6924469230.
The spelling of 118872285 in words is "one hundred eighteen million, eight hundred seventy-two thousand, two hundred eighty-five".
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