Base | Representation |
---|---|
bin | 1010000000101000100011… |
… | …00000110010011110010100 |
3 | 2212221022211012200111002110 |
4 | 11000110101200302132110 |
5 | 10341121034301400040 |
6 | 114452101310311020 |
7 | 4431212624032206 |
oct | 500242140623624 |
9 | 85838735614073 |
10 | 22012001200020 |
11 | 701726790a047 |
12 | 25760a67b8470 |
13 | c3895200cba0 |
14 | 56155a95c776 |
15 | 2828b176e980 |
hex | 140511832794 |
22012001200020 has 96 divisors (see below), whose sum is σ = 67120432565760. Its totient is φ = 5357458529280.
The previous prime is 22012001200019. The next prime is 22012001200067. The reversal of 22012001200020 is 2000210021022.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 22012001199969 and 22012001200005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158472796 + ... + 158611635.
It is an arithmetic number, because the mean of its divisors is an integer number (699171172560).
Almost surely, 222012001200020 is an apocalyptic number.
22012001200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22012001200020 is an abundant number, since it is smaller than the sum of its proper divisors (45108431365740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22012001200020 is a wasteful number, since it uses less digits than its factorization.
22012001200020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 317084545 (or 317084543 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 22012001200020 its reverse (2000210021022), we get a palindrome (24012211221042).
The spelling of 22012001200020 in words is "twenty-two trillion, twelve billion, one million, two hundred thousand, twenty".
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