Base | Representation |
---|---|
bin | 1110001101001101100000… |
… | …01001100110100110101001 |
3 | 11002121112112220111020222000 |
4 | 13012212300021212212221 |
5 | 13043320014111414431 |
6 | 150235323541321213 |
7 | 6403014402314421 |
oct | 706466011464651 |
9 | 132545486436860 |
10 | 31240252451241 |
11 | 9a54a0a093579 |
12 | 36066a1406209 |
13 | 1457c35199832 |
14 | 7a00717d9481 |
15 | 39296d7169e6 |
hex | 1c69b02669a9 |
31240252451241 has 16 divisors (see below), whose sum is σ = 46489397445120. Its totient is φ = 20733441084720.
The previous prime is 31240252451209. The next prime is 31240252451251. The reversal of 31240252451241 is 14215425204213.
31240252451241 is a `hidden beast` number, since 3 + 1 + 2 + 4 + 0 + 2 + 524 + 5 + 124 + 1 = 666.
It is not a de Polignac number, because 31240252451241 - 25 = 31240252451209 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31240252451196 and 31240252451205.
It is not an unprimeable number, because it can be changed into a prime (31240252451251) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2594268390 + ... + 2594280431.
It is an arithmetic number, because the mean of its divisors is an integer number (2905587340320).
Almost surely, 231240252451241 is an apocalyptic number.
It is an amenable number.
31240252451241 is a deficient number, since it is larger than the sum of its proper divisors (15249144993879).
31240252451241 is a wasteful number, since it uses less digits than its factorization.
31240252451241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5188549053 (or 5188549047 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 36.
Adding to 31240252451241 its reverse (14215425204213), we get a palindrome (45455677655454).
The spelling of 31240252451241 in words is "thirty-one trillion, two hundred forty billion, two hundred fifty-two million, four hundred fifty-one thousand, two hundred forty-one".
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