Base | Representation |
---|---|
bin | 11101010001110111… |
… | …000101000101000111 |
3 | 10000010222110012220101 |
4 | 131101313011011013 |
5 | 1003341132224140 |
6 | 22235324544531 |
7 | 2162031662446 |
oct | 352167050507 |
9 | 100128405811 |
10 | 31438164295 |
11 | 1237302a16a |
12 | 61146b2147 |
13 | 2c703169a5 |
14 | 1743452d5d |
15 | c4000b99a |
hex | 751dc5147 |
31438164295 has 16 divisors (see below), whose sum is σ = 38770280640. Its totient is φ = 24458156800.
The previous prime is 31438164271. The next prime is 31438164371. The reversal of 31438164295 is 59246183413.
It is a happy number.
It is not a de Polignac number, because 31438164295 - 211 = 31438162247 is a prime.
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, 182800 + ... + 310309.
It is an arithmetic number, because the mean of its divisors is an integer number (2423142540).
Almost surely, 231438164295 is an apocalyptic number.
31438164295 is a deficient number, since it is larger than the sum of its proper divisors (7332116345).
31438164295 is a wasteful number, since it uses less digits than its factorization.
31438164295 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493466.
The product of its digits is 622080, while the sum is 46.
The spelling of 31438164295 in words is "thirty-one billion, four hundred thirty-eight million, one hundred sixty-four thousand, two hundred ninety-five".
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