Base | Representation |
---|---|
bin | 10011100010001111101… |
… | …011110011111001110111 |
3 | 11202100001222111022202211 |
4 | 103202033223303321313 |
5 | 133443304222014111 |
6 | 2504413021114251 |
7 | 165662632215211 |
oct | 23421753637167 |
9 | 4670058438684 |
10 | 1342440423031 |
11 | 478364692174 |
12 | 1982106b8987 |
13 | 9978c9498a6 |
14 | 48d8dcd95b1 |
15 | 24dbecba521 |
hex | 1388faf3e77 |
1342440423031 has 8 divisors (see below), whose sum is σ = 1365636648960. Its totient is φ = 1319258963832.
The previous prime is 1342440423017. The next prime is 1342440423041. The reversal of 1342440423031 is 1303240442431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1342440423031 - 27 = 1342440422903 is a prime.
It is a super-2 number, since 2×13424404230312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1342440422984 and 1342440423002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1342440423041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3508215 + ... + 3872008.
It is an arithmetic number, because the mean of its divisors is an integer number (170704581120).
Almost surely, 21342440423031 is an apocalyptic number.
1342440423031 is a deficient number, since it is larger than the sum of its proper divisors (23196225929).
1342440423031 is an equidigital number, since it uses as much as digits as its factorization.
1342440423031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7383365.
The product of its (nonzero) digits is 27648, while the sum is 31.
Adding to 1342440423031 its reverse (1303240442431), we get a palindrome (2645680865462).
The spelling of 1342440423031 in words is "one trillion, three hundred forty-two billion, four hundred forty million, four hundred twenty-three thousand, thirty-one".
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