Base | Representation |
---|---|
bin | 11000001110001000… |
… | …00101101011010111 |
3 | 1020120020012212220111 |
4 | 30013010011223113 |
5 | 203112333223411 |
6 | 5550152143451 |
7 | 640144124443 |
oct | 140704055327 |
9 | 36506185814 |
10 | 13003414231 |
11 | 55730a7635 |
12 | 262a997b87 |
13 | 12c2cc8a62 |
14 | 8b4db7823 |
15 | 5118c8721 |
hex | 307105ad7 |
13003414231 has 4 divisors (see below), whose sum is σ = 13003980192. Its totient is φ = 13002848272.
The previous prime is 13003414219. The next prime is 13003414241. The reversal of 13003414231 is 13241430031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13241430031 = 883 ⋅14995957.
It is a cyclic number.
It is not a de Polignac number, because 13003414231 - 221 = 13001317079 is a prime.
It is a super-2 number, since 2×130034142312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13003414241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246991 + ... + 294976.
It is an arithmetic number, because the mean of its divisors is an integer number (3250995048).
Almost surely, 213003414231 is an apocalyptic number.
13003414231 is a deficient number, since it is larger than the sum of its proper divisors (565961).
13003414231 is an equidigital number, since it uses as much as digits as its factorization.
13003414231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 565960.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 13003414231 its reverse (13241430031), we get a palindrome (26244844262).
The spelling of 13003414231 in words is "thirteen billion, three million, four hundred fourteen thousand, two hundred thirty-one".
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