Base | Representation |
---|---|
bin | 100101101000100100100111… |
… | …0011100000010100101111101 |
3 | 1121102002022111010201202221100 |
4 | 1023101021032130002211331 |
5 | 321342110232042023110 |
6 | 3132013455042523313 |
7 | 126504150162005445 |
oct | 11321111634024575 |
9 | 1542068433652840 |
10 | 331031625345405 |
11 | 965277a6592566 |
12 | 31164191666539 |
13 | 112931c0b42c1a |
14 | 5ba6032485125 |
15 | 2840d5b531bc0 |
hex | 12d124e70297d |
331031625345405 has 96 divisors (see below), whose sum is σ = 576094074716160. Its totient is φ = 175842430081920.
The previous prime is 331031625345367. The next prime is 331031625345409. The reversal of 331031625345405 is 504543526130133.
331031625345405 is a `hidden beast` number, since 3 + 3 + 1 + 0 + 3 + 1 + 62 + 534 + 54 + 0 + 5 = 666.
It is not a de Polignac number, because 331031625345405 - 211 = 331031625343357 is a prime.
It is a super-2 number, since 2×3310316253454052 (a number of 30 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (331031625345409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28218528390 + ... + 28218540120.
It is an arithmetic number, because the mean of its divisors is an integer number (6000979944960).
Almost surely, 2331031625345405 is an apocalyptic number.
It is an amenable number.
331031625345405 is a deficient number, since it is larger than the sum of its proper divisors (245062449370755).
331031625345405 is a wasteful number, since it uses less digits than its factorization.
331031625345405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14631 (or 14628 counting only the distinct ones).
The product of its (nonzero) digits is 1944000, while the sum is 45.
The spelling of 331031625345405 in words is "three hundred thirty-one trillion, thirty-one billion, six hundred twenty-five million, three hundred forty-five thousand, four hundred five".
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