Base | Representation |
---|---|
bin | 11100000100110100… |
… | …100111001101110111 |
3 | 2212210220101210212102 |
4 | 130010310213031313 |
5 | 443214243001210 |
6 | 21503154212315 |
7 | 2115015661502 |
oct | 340464471567 |
9 | 85726353772 |
10 | 30145672055 |
11 | 1186a49a664 |
12 | 5a1388409b |
13 | 2ac560a095 |
14 | 165d928139 |
15 | bb6800ea5 |
hex | 704d27377 |
30145672055 has 4 divisors (see below), whose sum is σ = 36174806472. Its totient is φ = 24116537640.
The previous prime is 30145672033. The next prime is 30145672069. The reversal of 30145672055 is 55027654103.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 30145672055 - 218 = 30145409911 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3014567201 + ... + 3014567210.
It is an arithmetic number, because the mean of its divisors is an integer number (9043701618).
Almost surely, 230145672055 is an apocalyptic number.
30145672055 is a deficient number, since it is larger than the sum of its proper divisors (6029134417).
30145672055 is an equidigital number, since it uses as much as digits as its factorization.
30145672055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6029134416.
The product of its (nonzero) digits is 126000, while the sum is 38.
The spelling of 30145672055 in words is "thirty billion, one hundred forty-five million, six hundred seventy-two thousand, fifty-five".
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