Base | Representation |
---|---|
bin | 10111111110010001… |
… | …00001110101010010 |
3 | 1020012221212001100220 |
4 | 23333020201311102 |
5 | 202324303013102 |
6 | 5525040253510 |
7 | 633640154424 |
oct | 137710416522 |
9 | 36187761326 |
10 | 12870360402 |
11 | 5504a8a299 |
12 | 25b2311296 |
13 | 12a1581293 |
14 | 8a1460814 |
15 | 504d951bc |
hex | 2ff221d52 |
12870360402 has 16 divisors (see below), whose sum is σ = 25821925632. Its totient is φ = 4276586000.
The previous prime is 12870360397. The next prime is 12870360403. The reversal of 12870360402 is 20406307821.
It is not an unprimeable number, because it can be changed into a prime (12870360403) 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, 3381474 + ... + 3385277.
It is an arithmetic number, because the mean of its divisors is an integer number (1613870352).
Almost surely, 212870360402 is an apocalyptic number.
12870360402 is an abundant number, since it is smaller than the sum of its proper divisors (12951565230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12870360402 is a wasteful number, since it uses less digits than its factorization.
12870360402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6767073.
The product of its (nonzero) digits is 16128, while the sum is 33.
The spelling of 12870360402 in words is "twelve billion, eight hundred seventy million, three hundred sixty thousand, four hundred two".
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