Base | Representation |
---|---|
bin | 10010110000100011… |
… | …101110011000100111 |
3 | 1220222201202211212110 |
4 | 102300203232120213 |
5 | 312222324233411 |
6 | 13130401252103 |
7 | 1312065244500 |
oct | 226043563047 |
9 | 56881684773 |
10 | 20142024231 |
11 | 85a6713a1a |
12 | 3aa1634033 |
13 | 1b8cc43444 |
14 | d910d5ba7 |
15 | 7cd4722a6 |
hex | 4b08ee627 |
20142024231 has 24 divisors (see below), whose sum is σ = 31591730160. Its totient is φ = 11380397952.
The previous prime is 20142024223. The next prime is 20142024233. The reversal of 20142024231 is 13242024102.
It is not a de Polignac number, because 20142024231 - 23 = 20142024223 is a prime.
It is a super-2 number, since 2×201420242312 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 20142024198 and 20142024207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20142024233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 756696 + ... + 782861.
It is an arithmetic number, because the mean of its divisors is an integer number (1316322090).
Almost surely, 220142024231 is an apocalyptic number.
20142024231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
20142024231 is a deficient number, since it is larger than the sum of its proper divisors (11449705929).
20142024231 is a wasteful number, since it uses less digits than its factorization.
20142024231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1539663 (or 1539656 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 20142024231 its reverse (13242024102), we get a palindrome (33384048333).
The spelling of 20142024231 in words is "twenty billion, one hundred forty-two million, twenty-four thousand, two hundred thirty-one".
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