Base | Representation |
---|---|
bin | 10100011111011000… |
… | …010011110111110111 |
3 | 2002210022022222220020 |
4 | 110133120103313313 |
5 | 330024313144111 |
6 | 14035100140223 |
7 | 1406132663421 |
oct | 243730236767 |
9 | 62708288806 |
10 | 22001303031 |
11 | 9370186674 |
12 | 4320237673 |
13 | 20c81ba106 |
14 | 10c9ddd811 |
15 | 88b7d9906 |
hex | 51f613df7 |
22001303031 has 8 divisors (see below), whose sum is σ = 29449215984. Its totient is φ = 14610462720.
The previous prime is 22001303021. The next prime is 22001303047. The reversal of 22001303031 is 13030310022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-22001303031 is a prime.
It is a super-2 number, since 2×220013030312 (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 22001303031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22001303021) 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, 14267260 + ... + 14268801.
It is an arithmetic number, because the mean of its divisors is an integer number (3681151998).
Almost surely, 222001303031 is an apocalyptic number.
22001303031 is a deficient number, since it is larger than the sum of its proper divisors (7447912953).
22001303031 is a wasteful number, since it uses less digits than its factorization.
22001303031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28536321.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 22001303031 its reverse (13030310022), we get a palindrome (35031613053).
The spelling of 22001303031 in words is "twenty-two billion, one million, three hundred three thousand, thirty-one".
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