Base | Representation |
---|---|
bin | 11100101111001010… |
… | …010011011000011010 |
3 | 2221122102000021001201 |
4 | 130233022103120122 |
5 | 1001143114013200 |
6 | 22101451104414 |
7 | 2141432452510 |
oct | 345712233032 |
9 | 87572007051 |
10 | 30856001050 |
11 | 120a4454316 |
12 | 5b9174210a |
13 | 2ba98249b4 |
14 | 16c9dd04b0 |
15 | c08d63c6a |
hex | 72f29361a |
30856001050 has 48 divisors (see below), whose sum is σ = 65659315392. Its totient is φ = 10568188800.
The previous prime is 30856001039. The next prime is 30856001069. The reversal of 30856001050 is 5010065803.
It is a super-3 number, since 3×308560010503 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294454 + ... + 385246.
It is an arithmetic number, because the mean of its divisors is an integer number (1367902404).
Almost surely, 230856001050 is an apocalyptic number.
30856001050 is an abundant number, since it is smaller than the sum of its proper divisors (34803314342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30856001050 is a wasteful number, since it uses less digits than its factorization.
30856001050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91783 (or 91778 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 28.
Adding to 30856001050 its reverse (5010065803), we get a palindrome (35866066853).
The spelling of 30856001050 in words is "thirty billion, eight hundred fifty-six million, one thousand, fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •