Base | Representation |
---|---|
bin | 1011111010000010010… |
… | …0110100100101100100 |
3 | 201112222221222011002112 |
4 | 2332200210310211210 |
5 | 11322413203020202 |
6 | 233550012300152 |
7 | 20531060543465 |
oct | 2764044644544 |
9 | 645887864075 |
10 | 204557470052 |
11 | 798303a4981 |
12 | 33789a71658 |
13 | 1639c598210 |
14 | 9c874aad6c |
15 | 54c3615b52 |
hex | 2fa0934964 |
204557470052 has 96 divisors (see below), whose sum is σ = 416340916992. Its totient is φ = 87098167296.
The previous prime is 204557470021. The next prime is 204557470057. The reversal of 204557470052 is 250074755402.
It is a junction number, because it is equal to n+sod(n) for n = 204557469991 and 204557470009.
It is not an unprimeable number, because it can be changed into a prime (204557470057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10508993 + ... + 10528439.
It is an arithmetic number, because the mean of its divisors is an integer number (4336884552).
Almost surely, 2204557470052 is an apocalyptic number.
It is an amenable number.
204557470052 is an abundant number, since it is smaller than the sum of its proper divisors (211783446940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204557470052 is a wasteful number, since it uses less digits than its factorization.
204557470052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19717 (or 19715 counting only the distinct ones).
The product of its (nonzero) digits is 392000, while the sum is 41.
The spelling of 204557470052 in words is "two hundred four billion, five hundred fifty-seven million, four hundred seventy thousand, fifty-two".
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