Base | Representation |
---|---|
bin | 10100011011111111… |
… | …00001100111011111 |
3 | 1001022200002020021000 |
4 | 22031333201213133 |
5 | 134432334043230 |
6 | 5012431441343 |
7 | 535620642600 |
oct | 121577414737 |
9 | 31280066230 |
10 | 10972174815 |
11 | 4720563378 |
12 | 2162686253 |
13 | 105b234544 |
14 | 761309da7 |
15 | 4433e4b60 |
hex | 28dfe19df |
10972174815 has 96 divisors (see below), whose sum is σ = 23885280000. Its totient is φ = 4751804736.
The previous prime is 10972174789. The next prime is 10972174819. The reversal of 10972174815 is 51847127901.
It is a happy number.
It is not a de Polignac number, because 10972174815 - 215 = 10972142047 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10972174819) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 82036 + ... + 169334.
It is an arithmetic number, because the mean of its divisors is an integer number (248805000).
Almost surely, 210972174815 is an apocalyptic number.
10972174815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
10972174815 is an abundant number, since it is smaller than the sum of its proper divisors (12913105185).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10972174815 is a wasteful number, since it uses less digits than its factorization.
10972174815 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87346 (or 87333 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 45.
The spelling of 10972174815 in words is "ten billion, nine hundred seventy-two million, one hundred seventy-four thousand, eight hundred fifteen".
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