Base | Representation |
---|---|
bin | 11100101001100000… |
… | …110000111011000011 |
3 | 2221101210200012000211 |
4 | 130221200300323003 |
5 | 1000444333212143 |
6 | 22044223454551 |
7 | 2136202051261 |
oct | 345140607303 |
9 | 87353605024 |
10 | 30761225923 |
11 | 12055a0136a |
12 | 5b65a57457 |
13 | 2b92cc043c |
14 | 16bb59d431 |
15 | c0089249d |
hex | 729830ec3 |
30761225923 has 4 divisors (see below), whose sum is σ = 31511499768. Its totient is φ = 30010952080.
The previous prime is 30761225863. The next prime is 30761225927. The reversal of 30761225923 is 32952216703.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30761225923 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30761225927) 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, 375136861 + ... + 375136942.
It is an arithmetic number, because the mean of its divisors is an integer number (7877874942).
Almost surely, 230761225923 is an apocalyptic number.
30761225923 is a deficient number, since it is larger than the sum of its proper divisors (750273845).
30761225923 is an equidigital number, since it uses as much as digits as its factorization.
30761225923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 750273844.
The product of its (nonzero) digits is 136080, while the sum is 40.
The spelling of 30761225923 in words is "thirty billion, seven hundred sixty-one million, two hundred twenty-five thousand, nine hundred twenty-three".
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