Base | Representation |
---|---|
bin | 10100100111101001… |
… | …111100000111001111 |
3 | 2010010222120202012102 |
4 | 110213221330013033 |
5 | 330320334021111 |
6 | 14100540025315 |
7 | 1412440050020 |
oct | 244751740717 |
9 | 63128522172 |
10 | 22140142031 |
11 | 9431595447 |
12 | 435a83223b |
13 | 211ababb77 |
14 | 1100620c47 |
15 | 898ab213b |
hex | 527a7c1cf |
22140142031 has 8 divisors (see below), whose sum is σ = 25363125024. Its totient is φ = 18932185440.
The previous prime is 22140141979. The next prime is 22140142081. The reversal of 22140142031 is 13024104122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 22140142031 - 214 = 22140125647 is a prime.
It is a super-2 number, since 2×221401420312 (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 = 22140141994 and 22140142012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22140142081) 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, 3753440 + ... + 3759333.
It is an arithmetic number, because the mean of its divisors is an integer number (3170390628).
Almost surely, 222140142031 is an apocalyptic number.
22140142031 is a deficient number, since it is larger than the sum of its proper divisors (3222982993).
22140142031 is an equidigital number, since it uses as much as digits as its factorization.
22140142031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7513201.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 22140142031 its reverse (13024104122), we get a palindrome (35164246153).
The spelling of 22140142031 in words is "twenty-two billion, one hundred forty million, one hundred forty-two thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •