Base | Representation |
---|---|
bin | 11011111100111000… |
… | …101110000000100011 |
3 | 2212110121212112021222 |
4 | 123330320232000203 |
5 | 442431201440343 |
6 | 21442040405255 |
7 | 2111511205400 |
oct | 337470560043 |
9 | 85417775258 |
10 | 30012530723 |
11 | 118013225aa |
12 | 599717682b |
13 | 2aa3b61826 |
14 | 1649d8b2a7 |
15 | ba9ca1a68 |
hex | 6fce2e023 |
30012530723 has 24 divisors (see below), whose sum is σ = 35879668704. Its totient is φ = 25013318400.
The previous prime is 30012530707. The next prime is 30012530729. The reversal of 30012530723 is 32703521003.
It is not a de Polignac number, because 30012530723 - 24 = 30012530707 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30012530692 and 30012530701.
It is not an unprimeable number, because it can be changed into a prime (30012530729) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3315083 + ... + 3324123.
It is an arithmetic number, because the mean of its divisors is an integer number (1494986196).
Almost surely, 230012530723 is an apocalyptic number.
30012530723 is a deficient number, since it is larger than the sum of its proper divisors (5867137981).
30012530723 is a wasteful number, since it uses less digits than its factorization.
30012530723 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10923 (or 10916 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 26.
The spelling of 30012530723 in words is "thirty billion, twelve million, five hundred thirty thousand, seven hundred twenty-three".
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