Base | Representation |
---|---|
bin | 11100001111110111… |
… | …101000010000001000 |
3 | 2220021211011001121200 |
4 | 130033313220100020 |
5 | 444104214341404 |
6 | 21533414504200 |
7 | 2122426230501 |
oct | 341767502010 |
9 | 86254131550 |
10 | 30331012104 |
11 | 1195507a358 |
12 | 5a65965060 |
13 | 2b24b30753 |
14 | 167a3b1ba8 |
15 | bc7c11839 |
hex | 70fde8408 |
30331012104 has 48 divisors (see below), whose sum is σ = 82233971820. Its totient is φ = 10099570560.
The previous prime is 30331012097. The next prime is 30331012133. The reversal of 30331012104 is 40121013303.
It can be written as a sum of positive squares in 2 ways, for example, as 30207135204 + 123876900 = 173802^2 + 11130^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156087 + ... + 291590.
Almost surely, 230331012104 is an apocalyptic number.
It is an amenable number.
30331012104 is an abundant number, since it is smaller than the sum of its proper divisors (51902959716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30331012104 is a wasteful number, since it uses less digits than its factorization.
30331012104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 448630 (or 448623 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 30331012104 its reverse (40121013303), we get a palindrome (70452025407).
The spelling of 30331012104 in words is "thirty billion, three hundred thirty-one million, twelve thousand, one hundred four".
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