Base | Representation |
---|---|
bin | 11011111100101111… |
… | …001001110100101101 |
3 | 2212110110011010122020 |
4 | 123330233021310231 |
5 | 442430031220323 |
6 | 21441510540353 |
7 | 2111450663022 |
oct | 337457116455 |
9 | 85413133566 |
10 | 30010023213 |
11 | 117aa96a685 |
12 | 59963676b9 |
13 | 2aa34943b1 |
14 | 16498d7549 |
15 | ba9958ae3 |
hex | 6fcbc9d2d |
30010023213 has 8 divisors (see below), whose sum is σ = 40015758528. Its totient is φ = 20005485024.
The previous prime is 30010023181. The next prime is 30010023217. The reversal of 30010023213 is 31232001003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30010023213 - 25 = 30010023181 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30010023192 and 30010023201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30010023217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239056 + ... + 342297.
It is an arithmetic number, because the mean of its divisors is an integer number (5001969816).
Almost surely, 230010023213 is an apocalyptic number.
It is an amenable number.
30010023213 is a deficient number, since it is larger than the sum of its proper divisors (10005735315).
30010023213 is a wasteful number, since it uses less digits than its factorization.
30010023213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 598563.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 30010023213 its reverse (31232001003), we get a palindrome (61242024216).
The spelling of 30010023213 in words is "thirty billion, ten million, twenty-three thousand, two hundred thirteen".
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