Base | Representation |
---|---|
bin | 10111100100100011… |
… | …11101101111001110 |
3 | 1012122221002220022202 |
4 | 23302101331233032 |
5 | 201404102331230 |
6 | 5451414441502 |
7 | 625411301054 |
oct | 136221755716 |
9 | 35587086282 |
10 | 12654730190 |
11 | 54042a1103 |
12 | 2552063292 |
13 | 12689b383b |
14 | 8809701d4 |
15 | 4e0e9ea45 |
hex | 2f247dbce |
12654730190 has 32 divisors (see below), whose sum is σ = 23129487360. Its totient is φ = 4983970464.
The previous prime is 12654730183. The next prime is 12654730201. The reversal of 12654730190 is 9103745621.
It is a super-2 number, since 2×126547301902 (a number of 21 digits) contains 22 as substring.
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, 2247719 + ... + 2253341.
It is an arithmetic number, because the mean of its divisors is an integer number (722796480).
Almost surely, 212654730190 is an apocalyptic number.
12654730190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12654730190 is a deficient number, since it is larger than the sum of its proper divisors (10474757170).
12654730190 is a wasteful number, since it uses less digits than its factorization.
12654730190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9056.
The product of its (nonzero) digits is 45360, while the sum is 38.
The spelling of 12654730190 in words is "twelve billion, six hundred fifty-four million, seven hundred thirty thousand, one hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •