Base | Representation |
---|---|
bin | 10010110101010001… |
… | …011010111011011111 |
3 | 1221012020120220221020 |
4 | 102311101122323133 |
5 | 312403101041111 |
6 | 13142304335223 |
7 | 1314045421251 |
oct | 226521327337 |
9 | 57166526836 |
10 | 20221112031 |
11 | 863732183a |
12 | 3b04014513 |
13 | 1ba3444563 |
14 | d9b801cd1 |
15 | 7d5395906 |
hex | 4b545aedf |
20221112031 has 8 divisors (see below), whose sum is σ = 27110441904. Its totient is φ = 13406261760.
The previous prime is 20221112011. The next prime is 20221112053. The reversal of 20221112031 is 13021112202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20221112031 - 211 = 20221109983 is a prime.
It is a super-2 number, since 2×202211120312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20221112031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20221112011) 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, 18619266 + ... + 18620351.
It is an arithmetic number, because the mean of its divisors is an integer number (3388805238).
Almost surely, 220221112031 is an apocalyptic number.
20221112031 is a deficient number, since it is larger than the sum of its proper divisors (6889329873).
20221112031 is a wasteful number, since it uses less digits than its factorization.
20221112031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37239801.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 20221112031 its reverse (13021112202), we get a palindrome (33242224233).
The spelling of 20221112031 in words is "twenty billion, two hundred twenty-one million, one hundred twelve thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •