Base | Representation |
---|---|
bin | 100000001100000101100… |
… | …010010000000001000100 |
3 | 21211110120011011121202112 |
4 | 200030011202100001010 |
5 | 242220134230201040 |
6 | 4412102414400152 |
7 | 315545306313326 |
oct | 40140542200104 |
9 | 7743504147675 |
10 | 2212001022020 |
11 | 783116a014a9 |
12 | 2b884a800058 |
13 | 13078acb52ba |
14 | 790c0777616 |
15 | 3c814d25365 |
hex | 20305890044 |
2212001022020 has 24 divisors (see below), whose sum is σ = 4732847472024. Its totient is φ = 868106061056.
The previous prime is 2212001022013. The next prime is 2212001022029. The reversal of 2212001022020 is 202201002122.
It can be written as a sum of positive squares in 4 ways, for example, as 726800580676 + 1485200441344 = 852526^2 + 1218688^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2212001021986 and 2212001022004.
It is not an unprimeable number, because it can be changed into a prime (2212001022029) 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, 1043395649 + ... + 1043397768.
It is an arithmetic number, because the mean of its divisors is an integer number (197201978001).
Almost surely, 22212001022020 is an apocalyptic number.
2212001022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2212001022020 is an abundant number, since it is smaller than the sum of its proper divisors (2520846450004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212001022020 is a wasteful number, since it uses less digits than its factorization.
2212001022020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2086793479 (or 2086793477 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 2212001022020 its reverse (202201002122), we get a palindrome (2414202024142).
It can be divided in two parts, 221200102 and 2020, that added together give a palindrome (221202122).
The spelling of 2212001022020 in words is "two trillion, two hundred twelve billion, one million, twenty-two thousand, twenty".
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