Base | Representation |
---|---|
bin | 11011111100111000… |
… | …101110000000100100 |
3 | 2212110121212112022000 |
4 | 123330320232000210 |
5 | 442431201440344 |
6 | 21442040405300 |
7 | 2111511205401 |
oct | 337470560044 |
9 | 85417775260 |
10 | 30012530724 |
11 | 11801322600 |
12 | 5997176830 |
13 | 2aa3b61827 |
14 | 1649d8b2a8 |
15 | ba9ca1a69 |
hex | 6fce2e024 |
30012530724 has 72 divisors (see below), whose sum is σ = 85527022560. Its totient is φ = 9094702320.
The previous prime is 30012530707. The next prime is 30012530729. The reversal of 30012530724 is 42703521003.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (30012530729) 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 23 ways as a sum of consecutive naturals, for example, 1135254 + ... + 1161389.
Almost surely, 230012530724 is an apocalyptic number.
It is an amenable number.
30012530724 is an abundant number, since it is smaller than the sum of its proper divisors (55514491836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30012530724 is a wasteful number, since it uses less digits than its factorization.
30012530724 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2296678 (or 2296659 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The spelling of 30012530724 in words is "thirty billion, twelve million, five hundred thirty thousand, seven hundred twenty-four".
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