Base | Representation |
---|---|
bin | 11001001000001111… |
… | …00010000101010000 |
3 | 1021211012102111200102 |
4 | 30210013202011100 |
5 | 210112124400042 |
6 | 10110403511532 |
7 | 655213246325 |
oct | 144407420520 |
9 | 37735374612 |
10 | 13490856272 |
11 | 57a3266aa3 |
12 | 27460885a8 |
13 | 136cca4bba |
14 | 91da20b4c |
15 | 53e5b0b32 |
hex | 3241e2150 |
13490856272 has 30 divisors (see below), whose sum is σ = 27008942634. Its totient is φ = 6527826240.
The previous prime is 13490856259. The next prime is 13490856293. The reversal of 13490856272 is 27265809431.
It can be written as a sum of positive squares in only one way, i.e., 13413345856 + 77510416 = 115816^2 + 8804^2 .
It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 423323 + ... + 454074.
It is a 1-persistent number, because it is pandigital, but 2⋅13490856272 = 26981712544 is not.
Almost surely, 213490856272 is an apocalyptic number.
It is an amenable number.
13490856272 is an abundant number, since it is smaller than the sum of its proper divisors (13518086362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13490856272 is an equidigital number, since it uses as much as digits as its factorization.
13490856272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 877467 (or 877430 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 47.
The spelling of 13490856272 in words is "thirteen billion, four hundred ninety million, eight hundred fifty-six thousand, two hundred seventy-two".
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