Base | Representation |
---|---|
bin | 11100001000110010… |
… | …110100100001000110 |
3 | 2212222112210102110120 |
4 | 130020302310201012 |
5 | 443333322423420 |
6 | 21513534402410 |
7 | 2116455256452 |
oct | 341062644106 |
9 | 85875712416 |
10 | 30212311110 |
11 | 118a4075563 |
12 | 5a32060406 |
13 | 2b0636cb87 |
14 | 1668713662 |
15 | bbc5b5d40 |
hex | 708cb4846 |
30212311110 has 32 divisors (see below), whose sum is σ = 74052306432. Its totient is φ = 7885198560.
The previous prime is 30212311079. The next prime is 30212311121. The reversal of 30212311110 is 1111321203.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30212311110.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10712176 + ... + 10714995.
It is an arithmetic number, because the mean of its divisors is an integer number (2314134576).
Almost surely, 230212311110 is an apocalyptic number.
30212311110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30212311110 is an abundant number, since it is smaller than the sum of its proper divisors (43839995322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30212311110 is a wasteful number, since it uses less digits than its factorization.
30212311110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21427228.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 30212311110 its reverse (1111321203), we get a palindrome (31323632313).
The spelling of 30212311110 in words is "thirty billion, two hundred twelve million, three hundred eleven thousand, one hundred ten".
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