Base | Representation |
---|---|
bin | 100000010100011110000… |
… | …010010000011010001100 |
3 | 21212022210110002200022210 |
4 | 200110132002100122030 |
5 | 242342103003000022 |
6 | 4420151512510420 |
7 | 316314333336555 |
oct | 40243602203214 |
9 | 7768713080283 |
10 | 2221002000012 |
11 | 786a15800494 |
12 | 2ba5410ab410 |
13 | 131593a18793 |
14 | 796d5d6532c |
15 | 3cb90146a0c |
hex | 2051e09068c |
2221002000012 has 24 divisors (see below), whose sum is σ = 5233648280112. Its totient is φ = 733003960000.
The previous prime is 2221002000011. The next prime is 2221002000043. The reversal of 2221002000012 is 2100002001222.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (2221002000011) 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, 916253739 + ... + 916256162.
It is an arithmetic number, because the mean of its divisors is an integer number (218068678338).
Almost surely, 22221002000012 is an apocalyptic number.
It is an amenable number.
2221002000012 is an abundant number, since it is smaller than the sum of its proper divisors (3012646280100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221002000012 is a wasteful number, since it uses less digits than its factorization.
2221002000012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1832510009 (or 1832510007 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 2221002000012 its reverse (2100002001222), we get a palindrome (4321004001234).
The spelling of 2221002000012 in words is "two trillion, two hundred twenty-one billion, two million, twelve", and thus it is an aban number.
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