Base | Representation |
---|---|
bin | 11000011110101001… |
… | …10101110000110101 |
3 | 1020220220000221200210 |
4 | 30033110311300311 |
5 | 203403324220341 |
6 | 10012023100033 |
7 | 643446232335 |
oct | 141724656065 |
9 | 36826027623 |
10 | 13142023221 |
11 | 5634369618 |
12 | 26692a1619 |
13 | 1315939c02 |
14 | 8c95790c5 |
15 | 51db57c16 |
hex | 30f535c35 |
13142023221 has 8 divisors (see below), whose sum is σ = 17930202400. Its totient is φ = 8557596432.
The previous prime is 13142023211. The next prime is 13142023243. The reversal of 13142023221 is 12232024131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13142023221 - 214 = 13142006837 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 (13142023211) 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, 50937946 + ... + 50938203.
It is an arithmetic number, because the mean of its divisors is an integer number (2241275300).
Almost surely, 213142023221 is an apocalyptic number.
It is an amenable number.
13142023221 is a deficient number, since it is larger than the sum of its proper divisors (4788179179).
13142023221 is a wasteful number, since it uses less digits than its factorization.
13142023221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101876195.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 13142023221 its reverse (12232024131), we get a palindrome (25374047352).
The spelling of 13142023221 in words is "thirteen billion, one hundred forty-two million, twenty-three thousand, two hundred twenty-one".
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