Base | Representation |
---|---|
bin | 11100001010011111… |
… | …100011101000101010 |
3 | 2220001112102121100120 |
4 | 130022133203220222 |
5 | 443413122100113 |
6 | 21520433344110 |
7 | 2120252456214 |
oct | 341237435052 |
9 | 86045377316 |
10 | 30240815658 |
11 | 11909174439 |
12 | 5a3b708036 |
13 | 2b0c240281 |
14 | 166c4135b4 |
15 | bbed46a23 |
hex | 70a7e3a2a |
30240815658 has 8 divisors (see below), whose sum is σ = 60481631328. Its totient is φ = 10080271884.
The previous prime is 30240815621. The next prime is 30240815659. The reversal of 30240815658 is 85651804203.
It is a sphenic number, since it is the product of 3 distinct primes.
30240815658 is an admirable number.
It is a super-2 number, since 2×302408156582 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30240815659) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2520067966 + ... + 2520067977.
It is an arithmetic number, because the mean of its divisors is an integer number (7560203916).
Almost surely, 230240815658 is an apocalyptic number.
30240815658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30240815658 is a wasteful number, since it uses less digits than its factorization.
30240815658 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5040135948.
The product of its (nonzero) digits is 230400, while the sum is 42.
The spelling of 30240815658 in words is "thirty billion, two hundred forty million, eight hundred fifteen thousand, six hundred fifty-eight".
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