Base | Representation |
---|---|
bin | 1011111010000111011… |
… | …0111101001010000001 |
3 | 201120001110111000221121 |
4 | 2332201312331022001 |
5 | 11322434211012321 |
6 | 233552101552241 |
7 | 20531441550016 |
oct | 2764166751201 |
9 | 646043430847 |
10 | 204579000961 |
11 | 79841570415 |
12 | 33795115681 |
13 | 163a3b963ba |
14 | 9c8a2b370d |
15 | 54c546a441 |
hex | 2fa1dbd281 |
204579000961 has 8 divisors (see below), whose sum is σ = 211639596480. Its totient is φ = 197518815312.
The previous prime is 204579000949. The next prime is 204579000991. The reversal of 204579000961 is 169000975402.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 204579000961 - 211 = 204578998913 is a prime.
It is not an unprimeable number, because it can be changed into a prime (204579000911) 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, 1189146 + ... + 1350268.
It is an arithmetic number, because the mean of its divisors is an integer number (26454949560).
Almost surely, 2204579000961 is an apocalyptic number.
It is an amenable number.
204579000961 is a deficient number, since it is larger than the sum of its proper divisors (7060595519).
204579000961 is a wasteful number, since it uses less digits than its factorization.
204579000961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204935.
The product of its (nonzero) digits is 136080, while the sum is 43.
The spelling of 204579000961 in words is "two hundred four billion, five hundred seventy-nine million, nine hundred sixty-one", and thus it is an aban number.
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