Base | Representation |
---|---|
bin | 11000011110101100… |
… | …00011100110000101 |
3 | 1020220220122011000012 |
4 | 30033112003212011 |
5 | 203403414421041 |
6 | 10012034000005 |
7 | 643452030644 |
oct | 141726034605 |
9 | 36826564005 |
10 | 13142342021 |
11 | 5634567096 |
12 | 2669416005 |
13 | 1315a1c053 |
14 | 8c961d35b |
15 | 51dbbc3eb |
hex | 30f583985 |
13142342021 has 8 divisors (see below), whose sum is σ = 13512456480. Its totient is φ = 12773012688.
The previous prime is 13142342011. The next prime is 13142342029. The reversal of 13142342021 is 12024324131.
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 13142342021 - 230 = 12068600197 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 (13142342029) 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, 162251 + ... + 229368.
It is an arithmetic number, because the mean of its divisors is an integer number (1689057060).
Almost surely, 213142342021 is an apocalyptic number.
It is an amenable number.
13142342021 is a deficient number, since it is larger than the sum of its proper divisors (370114459).
13142342021 is an equidigital number, since it uses as much as digits as its factorization.
13142342021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392563.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 13142342021 its reverse (12024324131), we get a palindrome (25166666152).
The spelling of 13142342021 in words is "thirteen billion, one hundred forty-two million, three hundred forty-two thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •