Base | Representation |
---|---|
bin | 11011111111100011… |
… | …100000101101110110 |
3 | 2212120202010012011211 |
4 | 123333203200231312 |
5 | 443024132143102 |
6 | 21450320152034 |
7 | 2112563600464 |
oct | 337743405566 |
9 | 85522105154 |
10 | 30057302902 |
11 | 11824622600 |
12 | 59aa16861a |
13 | 2ab0209543 |
14 | 1651cc3834 |
15 | badb977d7 |
hex | 6ff8e0b76 |
30057302902 has 48 divisors (see below), whose sum is σ = 49992752880. Its totient is φ = 13542932480.
The previous prime is 30057302831. The next prime is 30057302917. The reversal of 30057302902 is 20920375003.
It is a congruent number.
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, 14116974 + ... + 14119102.
It is an arithmetic number, because the mean of its divisors is an integer number (1041515685).
Almost surely, 230057302902 is an apocalyptic number.
30057302902 is a deficient number, since it is larger than the sum of its proper divisors (19935449978).
30057302902 is a wasteful number, since it uses less digits than its factorization.
30057302902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2637 (or 2626 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 31.
Adding to 30057302902 its reverse (20920375003), we get a palindrome (50977677905).
The spelling of 30057302902 in words is "thirty billion, fifty-seven million, three hundred two thousand, nine hundred two".
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