Base | Representation |
---|---|
bin | 11000101001001011… |
… | …11110011001110110 |
3 | 1021011001100000102010 |
4 | 30110211332121312 |
5 | 204043440314032 |
6 | 10024501225050 |
7 | 645601361040 |
oct | 142445763166 |
9 | 37131300363 |
10 | 13230401142 |
11 | 567a242222 |
12 | 2692a02186 |
13 | 132b04173a |
14 | 8d71c2a90 |
15 | 5267b3ccc |
hex | 31497e676 |
13230401142 has 32 divisors (see below), whose sum is σ = 30736675584. Its totient is φ = 3718144800.
The previous prime is 13230401131. The next prime is 13230401189. The reversal of 13230401142 is 24110403231.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2579484 + ... + 2584607.
It is an arithmetic number, because the mean of its divisors is an integer number (960521112).
Almost surely, 213230401142 is an apocalyptic number.
13230401142 is an abundant number, since it is smaller than the sum of its proper divisors (17506274442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13230401142 is a wasteful number, since it uses less digits than its factorization.
13230401142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5164164.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 13230401142 its reverse (24110403231), we get a palindrome (37340804373).
The spelling of 13230401142 in words is "thirteen billion, two hundred thirty million, four hundred one thousand, one hundred forty-two".
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