Base | Representation |
---|---|
bin | 110000011100010111… |
… | …1111101111000001101 |
3 | 100221112010021021122012 |
4 | 1200320233331320031 |
5 | 3201024004012141 |
6 | 115442532031005 |
7 | 10341664400600 |
oct | 1407057757015 |
9 | 327463237565 |
10 | 104031313421 |
11 | 40134a67592 |
12 | 181b3a62465 |
13 | 9a6ba75bb9 |
14 | 506c606337 |
15 | 2a8d0e7ceb |
hex | 1838bfde0d |
104031313421 has 6 divisors (see below), whose sum is σ = 121016017710. Its totient is φ = 89169697176.
The previous prime is 104031313411. The next prime is 104031313427. The reversal of 104031313421 is 124313130401.
It can be written as a sum of positive squares in only one way, i.e., 96587937796 + 7443375625 = 310786^2 + 86275^2 .
It is not a de Polignac number, because 104031313421 - 234 = 86851444237 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (104031313427) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1061543966 + ... + 1061544063.
It is an arithmetic number, because the mean of its divisors is an integer number (20169336285).
Almost surely, 2104031313421 is an apocalyptic number.
It is an amenable number.
104031313421 is a deficient number, since it is larger than the sum of its proper divisors (16984704289).
104031313421 is an equidigital number, since it uses as much as digits as its factorization.
104031313421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2123088043 (or 2123088036 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 104031313421 its reverse (124313130401), we get a palindrome (228344443822).
The spelling of 104031313421 in words is "one hundred four billion, thirty-one million, three hundred thirteen thousand, four hundred twenty-one".
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