Base | Representation |
---|---|
bin | 11100001111110111… |
… | …101000010000000111 |
3 | 2220021211011001121122 |
4 | 130033313220100013 |
5 | 444104214341403 |
6 | 21533414504155 |
7 | 2122426230500 |
oct | 341767502007 |
9 | 86254131548 |
10 | 30331012103 |
11 | 1195507a357 |
12 | 5a6596505b |
13 | 2b24b30752 |
14 | 167a3b1ba7 |
15 | bc7c11838 |
hex | 70fde8407 |
30331012103 has 12 divisors (see below), whose sum is σ = 36143577792. Its totient is φ = 25363910880.
The previous prime is 30331012097. The next prime is 30331012133. The reversal of 30331012103 is 30121013303.
It is not a de Polignac number, because 30331012103 - 212 = 30331008007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30331012133) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7546775 + ... + 7550792.
It is an arithmetic number, because the mean of its divisors is an integer number (3011964816).
Almost surely, 230331012103 is an apocalyptic number.
30331012103 is a deficient number, since it is larger than the sum of its proper divisors (5812565689).
30331012103 is a wasteful number, since it uses less digits than its factorization.
30331012103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15097622 (or 15097615 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 30331012103 its reverse (30121013303), we get a palindrome (60452025406).
The spelling of 30331012103 in words is "thirty billion, three hundred thirty-one million, twelve thousand, one hundred three".
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