Base | Representation |
---|---|
bin | 100000010101011001100… |
… | …001010100110000000001 |
3 | 21212102101000000022221100 |
4 | 200111121201110300001 |
5 | 242401124000000001 |
6 | 4420434523245013 |
7 | 316351142240535 |
oct | 40253141246001 |
9 | 7772330008840 |
10 | 2222000000001 |
11 | 787388088671 |
12 | 2ba77b379769 |
13 | 1316c2705512 |
14 | 7978c711bc5 |
15 | 3cbeca80586 |
hex | 20559854c01 |
2222000000001 has 24 divisors (see below), whose sum is σ = 3399311863584. Its totient is φ = 1393802674560.
The previous prime is 2221999999963. The next prime is 2222000000021. The reversal of 2222000000001 is 1000000002222.
It is not a de Polignac number, because 2222000000001 - 214 = 2221999983617 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a self number, because there is not a number n which added to its sum of digits gives 2222000000001.
It is not an unprimeable number, because it can be changed into a prime (2222000000021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1504515 + ... + 2589896.
It is an arithmetic number, because the mean of its divisors is an integer number (141637994316).
Almost surely, 22222000000001 is an apocalyptic number.
It is an amenable number.
2222000000001 is a deficient number, since it is larger than the sum of its proper divisors (1177311863583).
2222000000001 is a wasteful number, since it uses less digits than its factorization.
2222000000001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4097981 (or 4097978 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
Adding to 2222000000001 its reverse (1000000002222), we get a palindrome (3222000002223).
The spelling of 2222000000001 in words is "two trillion, two hundred twenty-two billion, one", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •