Base | Representation |
---|---|
bin | 11100110010000000… |
… | …011001011001011001 |
3 | 2221202201211102222000 |
4 | 130302000121121121 |
5 | 1001242324022042 |
6 | 22110314151213 |
7 | 2142552264246 |
oct | 346200313131 |
9 | 87681742860 |
10 | 30903735897 |
11 | 12119398201 |
12 | 5ba5722509 |
13 | 2bb6699078 |
14 | 16d24985cd |
15 | c0d14274c |
hex | 732019659 |
30903735897 has 32 divisors (see below), whose sum is σ = 45921168000. Its totient is φ = 20540574720.
The previous prime is 30903735887. The next prime is 30903735899. The reversal of 30903735897 is 79853730903.
It is a happy number.
It is not a de Polignac number, because 30903735897 - 28 = 30903735641 is a prime.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (30903735899) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19087354 + ... + 19088972.
It is an arithmetic number, because the mean of its divisors is an integer number (1435036500).
Almost surely, 230903735897 is an apocalyptic number.
It is an amenable number.
30903735897 is a deficient number, since it is larger than the sum of its proper divisors (15017432103).
30903735897 is a wasteful number, since it uses less digits than its factorization.
30903735897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3318 (or 3312 counting only the distinct ones).
The product of its (nonzero) digits is 4286520, while the sum is 54.
The spelling of 30903735897 in words is "thirty billion, nine hundred three million, seven hundred thirty-five thousand, eight hundred ninety-seven".
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