Base | Representation |
---|---|
bin | 10010110101010101… |
… | …100100110011000111 |
3 | 1221012022122020202120 |
4 | 102311111210303013 |
5 | 312403340413111 |
6 | 13142343541023 |
7 | 1314060605214 |
oct | 226525446307 |
9 | 57168566676 |
10 | 20222201031 |
11 | 86379a5a3a |
12 | 3b0445a773 |
13 | 1ba3736136 |
14 | d9ba06b0b |
15 | 7d550d406 |
hex | 4b5564cc7 |
20222201031 has 16 divisors (see below), whose sum is σ = 27255654144. Its totient is φ = 13335485184.
The previous prime is 20222201017. The next prime is 20222201071. The reversal of 20222201031 is 13010222202.
It is a happy number.
It is not a de Polignac number, because 20222201031 - 27 = 20222200903 is a prime.
It is a super-2 number, since 2×202222010312 (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 20222201031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20222201071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169230 + ... + 262836.
It is an arithmetic number, because the mean of its divisors is an integer number (1703478384).
Almost surely, 220222201031 is an apocalyptic number.
20222201031 is a deficient number, since it is larger than the sum of its proper divisors (7033453113).
20222201031 is a wasteful number, since it uses less digits than its factorization.
20222201031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94390.
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 20222201031 its reverse (13010222202), we get a palindrome (33232423233).
The spelling of 20222201031 in words is "twenty billion, two hundred twenty-two million, two hundred one thousand, thirty-one".
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