Base | Representation |
---|---|
bin | 110010010000000000010101… |
… | …101100001111011110000011 |
3 | 1001222111121022101021120022022 |
4 | 302100000111230033132003 |
5 | 212431400001440232321 |
6 | 2102011002023232055 |
7 | 64356611365215164 |
oct | 6220002554173603 |
9 | 1058447271246268 |
10 | 221002201102211 |
11 | 64466564008a11 |
12 | 20953859ba862b |
13 | 9641558867699 |
14 | 3c807c677176b |
15 | 1a83b93a24dab |
hex | c90015b0f783 |
221002201102211 has 8 divisors (see below), whose sum is σ = 221375685674880. Its totient is φ = 220628719222912.
The previous prime is 221002201102147. The next prime is 221002201102229. The reversal of 221002201102211 is 112201102200122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 221002201102211 - 26 = 221002201102147 is a prime.
It is a super-2 number, since 2×2210022011022112 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 221002201102211.
It is not an unprimeable number, because it can be changed into a prime (221002201102271) 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, 230591945 + ... + 231548373.
It is an arithmetic number, because the mean of its divisors is an integer number (27671960709360).
Almost surely, 2221002201102211 is an apocalyptic number.
221002201102211 is a deficient number, since it is larger than the sum of its proper divisors (373484572669).
221002201102211 is an equidigital number, since it uses as much as digits as its factorization.
221002201102211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1346685.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 221002201102211 its reverse (112201102200122), we get a palindrome (333203303302333).
The spelling of 221002201102211 in words is "two hundred twenty-one trillion, two billion, two hundred one million, one hundred two thousand, two hundred eleven".
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