Base | Representation |
---|---|
bin | 1101101100111011100101… |
… | …01110010101010101110100 |
3 | 10221200111200120201200002100 |
4 | 12312131302232111111310 |
5 | 12422132013301030400 |
6 | 144030013502542100 |
7 | 6226621151662116 |
oct | 666356256252564 |
9 | 127614616650070 |
10 | 30131120330100 |
11 | 9667599a00829 |
12 | 3467743297930 |
13 | 13a74774621aa |
14 | 7624d55673b6 |
15 | 373ba618c100 |
hex | 1b6772b95574 |
30131120330100 has 54 divisors (see below), whose sum is σ = 94444322726390. Its totient is φ = 8034965421120.
The previous prime is 30131120330083. The next prime is 30131120330137. The reversal of 30131120330100 is 103302113103.
It is a happy number.
30131120330100 is a `hidden beast` number, since 3 + 0 + 1 + 311 + 20 + 330 + 1 + 0 + 0 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 5643915876 + 30125476414224 = 75126^2 + 5488668^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16739510395 + ... + 16739512194.
Almost surely, 230131120330100 is an apocalyptic number.
30131120330100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30131120330100 is an abundant number, since it is smaller than the sum of its proper divisors (64313202396290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30131120330100 is a wasteful number, since it uses less digits than its factorization.
30131120330100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33479022609 (or 33479022599 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 30131120330100 its reverse (103302113103), we get a palindrome (30234422443203).
The spelling of 30131120330100 in words is "thirty trillion, one hundred thirty-one billion, one hundred twenty million, three hundred thirty thousand, one hundred".
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