Base | Representation |
---|---|
bin | 11000100111001010… |
… | …01101011000100110 |
3 | 1021002212101102222022 |
4 | 30103211031120212 |
5 | 204030114020032 |
6 | 10023053303142 |
7 | 645304146353 |
oct | 142345153046 |
9 | 37085342868 |
10 | 13213423142 |
11 | 56706a6417 |
12 | 2689194ab2 |
13 | 132767899a |
14 | 8d4c4362a |
15 | 52505d512 |
hex | 31394d626 |
13213423142 has 8 divisors (see below), whose sum is σ = 19822314600. Its totient is φ = 6605984944.
The previous prime is 13213423117. The next prime is 13213423177. The reversal of 13213423142 is 24132431231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×132134231422 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340292 + ... + 377127.
It is an arithmetic number, because the mean of its divisors is an integer number (2477789325).
Almost surely, 213213423142 is an apocalyptic number.
13213423142 is a deficient number, since it is larger than the sum of its proper divisors (6608891458).
13213423142 is an equidigital number, since it uses as much as digits as its factorization.
13213423142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 726630.
The product of its digits is 3456, while the sum is 26.
Adding to 13213423142 its reverse (24132431231), we get a palindrome (37345854373).
The spelling of 13213423142 in words is "thirteen billion, two hundred thirteen million, four hundred twenty-three thousand, one hundred forty-two".
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