Base | Representation |
---|---|
bin | 1111110111010011011… |
… | …10110001101111001011 |
3 | 1221002222001210110102222 |
4 | 13323221232301233023 |
5 | 32412314312423341 |
6 | 1054224251044255 |
7 | 54244525014221 |
oct | 7735156615713 |
9 | 1832861713388 |
10 | 545087232971 |
11 | 1a0196594a06 |
12 | 8978474068b |
13 | 3c52b152558 |
14 | 1c54d2bcb11 |
15 | e2a405344b |
hex | 7ee9bb1bcb |
545087232971 has 4 divisors (see below), whose sum is σ = 545107582944. Its totient is φ = 545066883000.
The previous prime is 545087232967. The next prime is 545087233037. The reversal of 545087232971 is 179232780545.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 545087232971 - 22 = 545087232967 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (545087232961) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10134755 + ... + 10188396.
It is an arithmetic number, because the mean of its divisors is an integer number (136276895736).
Almost surely, 2545087232971 is an apocalyptic number.
545087232971 is a deficient number, since it is larger than the sum of its proper divisors (20349973).
545087232971 is a wasteful number, since it uses less digits than its factorization.
545087232971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20349972.
The product of its (nonzero) digits is 4233600, while the sum is 53.
The spelling of 545087232971 in words is "five hundred forty-five billion, eighty-seven million, two hundred thirty-two thousand, nine hundred seventy-one".
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