Base | Representation |
---|---|
bin | 100111101101111101… |
… | …111110010011101100 |
3 | 11002002011010210011200 |
4 | 213231331332103230 |
5 | 1144320132324402 |
6 | 31331500245500 |
7 | 3036556544454 |
oct | 475575762354 |
9 | 132064123150 |
10 | 42647151852 |
11 | 170a5229448 |
12 | 8322540890 |
13 | 40386243c6 |
14 | 20c7da4d64 |
15 | 11990cd21c |
hex | 9edf7e4ec |
42647151852 has 18 divisors (see below), whose sum is σ = 107802522828. Its totient is φ = 14215717272.
The previous prime is 42647151851. The next prime is 42647151853. The reversal of 42647151852 is 25815174624.
42647151852 is a `hidden beast` number, since 4 + 2 + 64 + 71 + 518 + 5 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (42647151851) and next prime (42647151853).
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×426471518522 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 42647151798 and 42647151807.
It is not an unprimeable number, because it can be changed into a prime (42647151851) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 592321518 + ... + 592321589.
It is an arithmetic number, because the mean of its divisors is an integer number (5989029046).
Almost surely, 242647151852 is an apocalyptic number.
It is an amenable number.
42647151852 is an abundant number, since it is smaller than the sum of its proper divisors (65155370976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42647151852 is a wasteful number, since it uses less digits than its factorization.
42647151852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1184643117 (or 1184643112 counting only the distinct ones).
The product of its digits is 537600, while the sum is 45.
The spelling of 42647151852 in words is "forty-two billion, six hundred forty-seven million, one hundred fifty-one thousand, eight hundred fifty-two".
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