Base | Representation |
---|---|
bin | 11100011010100111… |
… | …111000000110101110 |
3 | 2220202101122100100010 |
4 | 130122213320012232 |
5 | 444441411311420 |
6 | 22003341514050 |
7 | 2130046615365 |
oct | 343247700656 |
9 | 86671570303 |
10 | 30511432110 |
11 | 11a379a95a5 |
12 | 5ab6272926 |
13 | 2b53320853 |
14 | 16963387dc |
15 | bd899e4e0 |
hex | 71a9f81ae |
30511432110 has 32 divisors (see below), whose sum is σ = 73270710432. Its totient is φ = 8131573760.
The previous prime is 30511432073. The next prime is 30511432117. The reversal of 30511432110 is 1123411503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30511432117) 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 15 ways as a sum of consecutive naturals, for example, 248751 + ... + 350570.
It is an arithmetic number, because the mean of its divisors is an integer number (2289709701).
Almost surely, 230511432110 is an apocalyptic number.
30511432110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30511432110 is an abundant number, since it is smaller than the sum of its proper divisors (42759278322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30511432110 is a wasteful number, since it uses less digits than its factorization.
30511432110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 601028.
The product of its (nonzero) digits is 360, while the sum is 21.
Adding to 30511432110 its reverse (1123411503), we get a palindrome (31634843613).
The spelling of 30511432110 in words is "thirty billion, five hundred eleven million, four hundred thirty-two thousand, one hundred ten".
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