Base | Representation |
---|---|
bin | 11101001111100110… |
… | …100000001011101001 |
3 | 10000001100010201001111 |
4 | 131033212200023221 |
5 | 1003301431430200 |
6 | 22231452350321 |
7 | 2161061562265 |
oct | 351746401351 |
9 | 100040121044 |
10 | 31400264425 |
11 | 123536a3462 |
12 | 6103a753a1 |
13 | 2c6550702a |
14 | 173c3c90a5 |
15 | c3ba220ba |
hex | 74f9a02e9 |
31400264425 has 12 divisors (see below), whose sum is σ = 39233555856. Its totient is φ = 24928451600.
The previous prime is 31400264383. The next prime is 31400264449. The reversal of 31400264425 is 52446200413.
It is not a de Polignac number, because 31400264425 - 29 = 31400263913 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4790659 + ... + 4797208.
It is an arithmetic number, because the mean of its divisors is an integer number (3269462988).
Almost surely, 231400264425 is an apocalyptic number.
It is an amenable number.
31400264425 is a deficient number, since it is larger than the sum of its proper divisors (7833291431).
31400264425 is a wasteful number, since it uses less digits than its factorization.
31400264425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9588008 (or 9588003 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 31.
Adding to 31400264425 its reverse (52446200413), we get a palindrome (83846464838).
The spelling of 31400264425 in words is "thirty-one billion, four hundred million, two hundred sixty-four thousand, four hundred twenty-five".
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