Base | Representation |
---|---|
bin | 10110100111011110… |
… | …01000011101010100 |
3 | 1011100012211212100122 |
4 | 23103233020131110 |
5 | 144331411020310 |
6 | 5324511131112 |
7 | 606616461521 |
oct | 132357103524 |
9 | 34305755318 |
10 | 12142282580 |
11 | 517100268a |
12 | 242a513a98 |
13 | 11b6790abc |
14 | 832898148 |
15 | 4b0ec8555 |
hex | 2d3bc8754 |
12142282580 has 24 divisors (see below), whose sum is σ = 25693446240. Its totient is φ = 4819836320.
The previous prime is 12142282561. The next prime is 12142282583. The reversal of 12142282580 is 8528224121.
It is a self number, because there is not a number n which added to its sum of digits gives 12142282580.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12142282583) 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, 2314610 + ... + 2319849.
It is an arithmetic number, because the mean of its divisors is an integer number (1070560260).
Almost surely, 212142282580 is an apocalyptic number.
12142282580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12142282580 is an abundant number, since it is smaller than the sum of its proper divisors (13551163660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12142282580 is a wasteful number, since it uses less digits than its factorization.
12142282580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4634599 (or 4634597 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 35.
The spelling of 12142282580 in words is "twelve billion, one hundred forty-two million, two hundred eighty-two thousand, five hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •