Base | Representation |
---|---|
bin | 11100011101010011… |
… | …111000111001101100 |
3 | 2220212112111020222022 |
4 | 130131103320321230 |
5 | 1000034432233030 |
6 | 22012032205312 |
7 | 2131135112132 |
oct | 343523707154 |
9 | 86775436868 |
10 | 30556524140 |
11 | 11a603a793a |
12 | 5b09399838 |
13 | 2b5c77b01c |
14 | 169c315752 |
15 | bdc909de5 |
hex | 71d4f8e6c |
30556524140 has 48 divisors (see below), whose sum is σ = 64496313504. Its totient is φ = 12160320000.
The previous prime is 30556524091. The next prime is 30556524197. The reversal of 30556524140 is 4142565503.
It is a self number, because there is not a number n which added to its sum of digits gives 30556524140.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5323352 + ... + 5329088.
It is an arithmetic number, because the mean of its divisors is an integer number (1343673198).
Almost surely, 230556524140 is an apocalyptic number.
It is an amenable number.
30556524140 is an abundant number, since it is smaller than the sum of its proper divisors (33939789364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30556524140 is a wasteful number, since it uses less digits than its factorization.
30556524140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7058 (or 7056 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 35.
The spelling of 30556524140 in words is "thirty billion, five hundred fifty-six million, five hundred twenty-four thousand, one hundred forty".
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