Base | Representation |
---|---|
bin | 11100100001010111… |
… | …100110001111001001 |
3 | 2221001021121010112102 |
4 | 130201113212033021 |
5 | 1000204344331004 |
6 | 22022503323145 |
7 | 2132622564026 |
oct | 344127461711 |
9 | 87037533472 |
10 | 30624605129 |
11 | 11a95878118 |
12 | 5b281504b5 |
13 | 2b708c7231 |
14 | 16a739854d |
15 | be38a711e |
hex | 7215e63c9 |
30624605129 has 4 divisors (see below), whose sum is σ = 30746615760. Its totient is φ = 30502594500.
The previous prime is 30624605111. The next prime is 30624605197. The reversal of 30624605129 is 92150642603.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30624605129 - 228 = 30356169673 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30624605092 and 30624605101.
It is not an unprimeable number, because it can be changed into a prime (30624605029) 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, 61004939 + ... + 61005440.
It is an arithmetic number, because the mean of its divisors is an integer number (7686653940).
Almost surely, 230624605129 is an apocalyptic number.
It is an amenable number.
30624605129 is a deficient number, since it is larger than the sum of its proper divisors (122010631).
30624605129 is a wasteful number, since it uses less digits than its factorization.
30624605129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122010630.
The product of its (nonzero) digits is 77760, while the sum is 38.
The spelling of 30624605129 in words is "thirty billion, six hundred twenty-four million, six hundred five thousand, one hundred twenty-nine".
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