Base | Representation |
---|---|
bin | 11011111111101000… |
… | …101001100110101111 |
3 | 2212120211122122002111 |
4 | 123333220221212233 |
5 | 443030003300111 |
6 | 21450405104451 |
7 | 2112611211124 |
oct | 337750514657 |
9 | 85524578074 |
10 | 30058650031 |
11 | 11825362733 |
12 | 59aa6b8127 |
13 | 2ab058b767 |
14 | 165215474b |
15 | badd61a21 |
hex | 6ffa299af |
30058650031 has 4 divisors (see below), whose sum is σ = 30127121200. Its totient is φ = 29990178864.
The previous prime is 30058650029. The next prime is 30058650043. The reversal of 30058650031 is 13005685003.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30058650031 - 21 = 30058650029 is a prime.
It is a super-2 number, since 2×300586500312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30058649975 and 30058650002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30058650071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34234926 + ... + 34235803.
It is an arithmetic number, because the mean of its divisors is an integer number (7531780300).
Almost surely, 230058650031 is an apocalyptic number.
30058650031 is a deficient number, since it is larger than the sum of its proper divisors (68471169).
30058650031 is an equidigital number, since it uses as much as digits as its factorization.
30058650031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68471168.
The product of its (nonzero) digits is 10800, while the sum is 31.
The spelling of 30058650031 in words is "thirty billion, fifty-eight million, six hundred fifty thousand, thirty-one".
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