Base | Representation |
---|---|
bin | 11000001000010111… |
… | …01001100101011110 |
3 | 1020102212020110210000 |
4 | 30010023221211132 |
5 | 203012444032140 |
6 | 5541303555130 |
7 | 636016142562 |
oct | 140413514536 |
9 | 36385213700 |
10 | 12955064670 |
11 | 5548883919 |
12 | 261675baa6 |
13 | 12b5c9a952 |
14 | 8ac7cd6a2 |
15 | 50c527a30 |
hex | 3042e995e |
12955064670 has 80 divisors (see below), whose sum is σ = 35143249680. Its totient is φ = 3424087296.
The previous prime is 12955064657. The next prime is 12955064687. The reversal of 12955064670 is 7646055921.
12955064670 is a `hidden beast` number, since 1 + 29 + 550 + 6 + 4 + 6 + 70 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20761 + ... + 162299.
It is an arithmetic number, because the mean of its divisors is an integer number (439290621).
Almost surely, 212955064670 is an apocalyptic number.
12955064670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12955064670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17571624840).
12955064670 is an abundant number, since it is smaller than the sum of its proper divisors (22188185010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12955064670 is a wasteful number, since it uses less digits than its factorization.
12955064670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141671 (or 141662 counting only the distinct ones).
The product of its (nonzero) digits is 453600, while the sum is 45.
The spelling of 12955064670 in words is "twelve billion, nine hundred fifty-five million, sixty-four thousand, six hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •