Base | Representation |
---|---|
bin | 10010110110100010… |
… | …101011000111111111 |
3 | 1221020201200002001010 |
4 | 102312202223013333 |
5 | 312424024141111 |
6 | 13144345050303 |
7 | 1314424443342 |
oct | 226642530777 |
9 | 57221602033 |
10 | 20242412031 |
11 | 864834a846 |
12 | 3b0b186993 |
13 | 1ba79915ca |
14 | da0588459 |
15 | 7d71a1aa6 |
hex | 4b68ab1ff |
20242412031 has 4 divisors (see below), whose sum is σ = 26989882712. Its totient is φ = 13494941352.
The previous prime is 20242411997. The next prime is 20242412123. The reversal of 20242412031 is 13021424202.
It is a semiprime because it is the product of two primes.
It is a de Polignac number, because none of the positive numbers 2k-20242412031 is a prime.
It is a super-2 number, since 2×202424120312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20242411989 and 20242412007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20242412131) 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, 3373735336 + ... + 3373735341.
It is an arithmetic number, because the mean of its divisors is an integer number (6747470678).
Almost surely, 220242412031 is an apocalyptic number.
20242412031 is a deficient number, since it is larger than the sum of its proper divisors (6747470681).
20242412031 is an equidigital number, since it uses as much as digits as its factorization.
20242412031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6747470680.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 20242412031 its reverse (13021424202), we get a palindrome (33263836233).
The spelling of 20242412031 in words is "twenty billion, two hundred forty-two million, four hundred twelve thousand, thirty-one".
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