Base | Representation |
---|---|
bin | 10000110000100010… |
… | …10101000000001101 |
3 | 212020000200120110102 |
4 | 20120101111000031 |
5 | 121411231132003 |
6 | 4044435420445 |
7 | 435646226306 |
oct | 103021250015 |
9 | 25200616412 |
10 | 8997130253 |
11 | 38a7711141 |
12 | 18b1154725 |
13 | b04cb7017 |
14 | 614ca97ad |
15 | 379d11588 |
hex | 21845500d |
8997130253 has 4 divisors (see below), whose sum is σ = 9008953788. Its totient is φ = 8985306720.
The previous prime is 8997130231. The next prime is 8997130267. The reversal of 8997130253 is 3520317998.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 668377609 + 8328752644 = 25853^2 + 91262^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8997130253 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8997130198 and 8997130207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8997130223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5910626 + ... + 5912147.
It is an arithmetic number, because the mean of its divisors is an integer number (2252238447).
Almost surely, 28997130253 is an apocalyptic number.
It is an amenable number.
8997130253 is a deficient number, since it is larger than the sum of its proper divisors (11823535).
8997130253 is a wasteful number, since it uses less digits than its factorization.
8997130253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11823534.
The product of its (nonzero) digits is 408240, while the sum is 47.
The square root of 8997130253 is about 94853.2037044611. The cubic root of 8997130253 is about 2079.8627138340.
The spelling of 8997130253 in words is "eight billion, nine hundred ninety-seven million, one hundred thirty thousand, two hundred fifty-three".
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