Base | Representation |
---|---|
bin | 1110001101000100011111… |
… | …00110101010010100011101 |
3 | 11002121002001112022002002202 |
4 | 13012202033212222110131 |
5 | 13043230110313000323 |
6 | 150233203330101245 |
7 | 6402453420441512 |
oct | 706421746522435 |
9 | 132532045262082 |
10 | 31235411453213 |
11 | 9a52955507060 |
12 | 360577011a825 |
13 | 145764326c366 |
14 | 79db328c7309 |
15 | 39278871bd28 |
hex | 1c688f9aa51d |
31235411453213 has 8 divisors (see below), whose sum is σ = 35556515804736. Its totient is φ = 27161227350400.
The previous prime is 31235411453209. The next prime is 31235411453249.
It is a happy number.
31235411453213 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31235411453213 - 22 = 31235411453209 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 (31235411453203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61730061908 + ... + 61730062413.
It is an arithmetic number, because the mean of its divisors is an integer number (4444564475592).
Almost surely, 231235411453213 is an apocalyptic number.
It is an amenable number.
31235411453213 is a deficient number, since it is larger than the sum of its proper divisors (4321104351523).
31235411453213 is a wasteful number, since it uses less digits than its factorization.
31235411453213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123460124355.
The product of its digits is 129600, while the sum is 38.
It can be divided in two parts, 3123541 and 1453213, that added together give a palindrome (4576754).
The spelling of 31235411453213 in words is "thirty-one trillion, two hundred thirty-five billion, four hundred eleven million, four hundred fifty-three thousand, two hundred thirteen".
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