Base | Representation |
---|---|
bin | 11100011000001110… |
… | …001110101101111001 |
3 | 2220122120212000220202 |
4 | 130120032032231321 |
5 | 444401103421203 |
6 | 21555342331545 |
7 | 2126050353200 |
oct | 343016165571 |
9 | 86576760822 |
10 | 30471154553 |
11 | 11a17199464 |
12 | 5aa4889bb5 |
13 | 2b47b8a888 |
14 | 1690c52237 |
15 | bd5195388 |
hex | 71838eb79 |
30471154553 has 6 divisors (see below), whose sum is σ = 35446036986. Its totient is φ = 26118132432.
The previous prime is 30471154537. The next prime is 30471154583. The reversal of 30471154553 is 35545117403.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 24632360809 + 5838793744 = 156947^2 + 76412^2 .
It is not a de Polignac number, because 30471154553 - 24 = 30471154537 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30471154583) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 310930100 + ... + 310930197.
It is an arithmetic number, because the mean of its divisors is an integer number (5907672831).
Almost surely, 230471154553 is an apocalyptic number.
It is an amenable number.
30471154553 is a deficient number, since it is larger than the sum of its proper divisors (4974882433).
30471154553 is an equidigital number, since it uses as much as digits as its factorization.
30471154553 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 621860311 (or 621860304 counting only the distinct ones).
The product of its (nonzero) digits is 126000, while the sum is 38.
The spelling of 30471154553 in words is "thirty billion, four hundred seventy-one million, one hundred fifty-four thousand, five hundred fifty-three".
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