Base | Representation |
---|---|
bin | 11101000101101100… |
… | …101110001010111001 |
3 | 2222121202111211002002 |
4 | 131011230232022321 |
5 | 1002431413404200 |
6 | 22203155350345 |
7 | 2154003442262 |
oct | 350554561271 |
9 | 88552454062 |
10 | 31234122425 |
11 | 12278936520 |
12 | 60782b23b5 |
13 | 2c39c75a5c |
14 | 17242db969 |
15 | c2c154bd5 |
hex | 745b2e2b9 |
31234122425 has 24 divisors (see below), whose sum is σ = 42338188992. Its totient is φ = 22668984000.
The previous prime is 31234122371. The next prime is 31234122449. The reversal of 31234122425 is 52422143213.
It is not a de Polignac number, because 31234122425 - 212 = 31234118329 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17315 + ... + 250535.
It is an arithmetic number, because the mean of its divisors is an integer number (1764091208).
Almost surely, 231234122425 is an apocalyptic number.
It is an amenable number.
31234122425 is a deficient number, since it is larger than the sum of its proper divisors (11104066567).
31234122425 is a wasteful number, since it uses less digits than its factorization.
31234122425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 233729 (or 233724 counting only the distinct ones).
The product of its digits is 11520, while the sum is 29.
Adding to 31234122425 its reverse (52422143213), we get a palindrome (83656265638).
The spelling of 31234122425 in words is "thirty-one billion, two hundred thirty-four million, one hundred twenty-two thousand, four hundred twenty-five".
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