Base | Representation |
---|---|
bin | 11101000111110110… |
… | …110000000100000111 |
3 | 2222201021121010200112 |
4 | 131013312300010013 |
5 | 1003020144243210 |
6 | 22210531103235 |
7 | 2154623134022 |
oct | 350766600407 |
9 | 88637533615 |
10 | 31270306055 |
11 | 122972aa84a |
12 | 6088441b1b |
13 | 2c446044a1 |
14 | 172903a1b9 |
15 | c30400d05 |
hex | 747db0107 |
31270306055 has 4 divisors (see below), whose sum is σ = 37524367272. Its totient is φ = 25016244840.
The previous prime is 31270306051. The next prime is 31270306069. The reversal of 31270306055 is 55060307213.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 31270306055 - 22 = 31270306051 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31270306051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3127030601 + ... + 3127030610.
It is an arithmetic number, because the mean of its divisors is an integer number (9381091818).
Almost surely, 231270306055 is an apocalyptic number.
31270306055 is a deficient number, since it is larger than the sum of its proper divisors (6254061217).
31270306055 is an equidigital number, since it uses as much as digits as its factorization.
31270306055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6254061216.
The product of its (nonzero) digits is 18900, while the sum is 32.
The spelling of 31270306055 in words is "thirty-one billion, two hundred seventy million, three hundred six thousand, fifty-five".
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