Base | Representation |
---|---|
bin | 11100011000010010… |
… | …000110010001100000 |
3 | 2220122122202112211222 |
4 | 130120102012101200 |
5 | 444401333343134 |
6 | 21555420154212 |
7 | 2126062105346 |
oct | 343022062140 |
9 | 86578675758 |
10 | 30472168544 |
11 | 11a17821274 |
12 | 5aa5098968 |
13 | 2b4815427c |
14 | 1691037996 |
15 | bd52e5a2e |
hex | 718486460 |
30472168544 has 24 divisors (see below), whose sum is σ = 60155571168. Its totient is φ = 15194563200.
The previous prime is 30472168541. The next prime is 30472168579. The reversal of 30472168544 is 44586127403.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30472168495 and 30472168504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30472168541) 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, 1285607 + ... + 1309094.
It is an arithmetic number, because the mean of its divisors is an integer number (2506482132).
Almost surely, 230472168544 is an apocalyptic number.
It is an amenable number.
30472168544 is a deficient number, since it is larger than the sum of its proper divisors (29683402624).
30472168544 is a wasteful number, since it uses less digits than its factorization.
30472168544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2595078 (or 2595070 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 44.
The spelling of 30472168544 in words is "thirty billion, four hundred seventy-two million, one hundred sixty-eight thousand, five hundred forty-four".
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