Base | Representation |
---|---|
bin | 11011111100010010… |
… | …110000001001011000 |
3 | 2212102221010212201220 |
4 | 123330102300021120 |
5 | 442421124444013 |
6 | 21441043212040 |
7 | 2111330463624 |
oct | 337422601130 |
9 | 85387125656 |
10 | 30002578008 |
11 | 117a6744a17 |
12 | 5993977020 |
13 | 2aa1a88650 |
14 | 164891a184 |
15 | ba8e87b23 |
hex | 6fc4b0258 |
30002578008 has 32 divisors (see below), whose sum is σ = 80776172400. Its totient is φ = 9231562368.
The previous prime is 30002577977. The next prime is 30002578009. The reversal of 30002578008 is 80087520003.
It is a super-2 number, since 2×300025780082 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30002578008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30002578009) 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, 48080743 + ... + 48081366.
Almost surely, 230002578008 is an apocalyptic number.
It is an amenable number.
30002578008 is an abundant number, since it is smaller than the sum of its proper divisors (50773594392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30002578008 is a wasteful number, since it uses less digits than its factorization.
30002578008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96162131 (or 96162127 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 33.
The spelling of 30002578008 in words is "thirty billion, two million, five hundred seventy-eight thousand, eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •