Base | Representation |
---|---|
bin | 11100101001000010… |
… | …101101000101100110 |
3 | 2221101020211211122220 |
4 | 130221002231011212 |
5 | 1000440324032034 |
6 | 22043342533210 |
7 | 2136045061365 |
oct | 345102550546 |
9 | 87336754586 |
10 | 30753345894 |
11 | 12051509a47 |
12 | 5b63297206 |
13 | 2b914917bb |
14 | 16ba50b7dc |
15 | beed37749 |
hex | 7290ad166 |
30753345894 has 12 divisors (see below), whose sum is σ = 61507550916. Its totient is φ = 10250972112.
The previous prime is 30753345893. The next prime is 30753345901. The reversal of 30753345894 is 49854335703.
It is a super-3 number, since 3×307533458943 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30753345893) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 393762 + ... + 465354.
It is an arithmetic number, because the mean of its divisors is an integer number (5125629243).
Almost surely, 230753345894 is an apocalyptic number.
30753345894 is an abundant number, since it is smaller than the sum of its proper divisors (30754205022).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30753345894 is an frugal number, since it uses more digits than its factorization.
30753345894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143191 (or 71598 counting only the distinct ones).
The product of its (nonzero) digits is 5443200, while the sum is 51.
The spelling of 30753345894 in words is "thirty billion, seven hundred fifty-three million, three hundred forty-five thousand, eight hundred ninety-four".
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