Base | Representation |
---|---|
bin | 11011111100010000… |
… | …000000001111000010 |
3 | 2212102212210021100110 |
4 | 123330100000033002 |
5 | 442420433414344 |
6 | 21441015532150 |
7 | 2111321403141 |
oct | 337420001702 |
9 | 85385707313 |
10 | 30001857474 |
11 | 117a62a2636 |
12 | 599368a056 |
13 | 2aa18956b4 |
14 | 16487ad758 |
15 | ba8d943b9 |
hex | 6fc4003c2 |
30001857474 has 32 divisors (see below), whose sum is σ = 62150828544. Its totient is φ = 9644970240.
The previous prime is 30001857467. The next prime is 30001857493. The reversal of 30001857474 is 47475810003.
It is a super-2 number, since 2×300018574742 (a number of 22 digits) contains 22 as substring.
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, 220759 + ... + 329754.
It is an arithmetic number, because the mean of its divisors is an integer number (1942213392).
Almost surely, 230001857474 is an apocalyptic number.
30001857474 is an abundant number, since it is smaller than the sum of its proper divisors (32148971070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30001857474 is a wasteful number, since it uses less digits than its factorization.
30001857474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 550842.
The product of its (nonzero) digits is 94080, while the sum is 39.
The spelling of 30001857474 in words is "thirty billion, one million, eight hundred fifty-seven thousand, four hundred seventy-four".
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