Base | Representation |
---|---|
bin | 111110111100101… |
… | …1100010001100110 |
3 | 12110012111101102211 |
4 | 1331321130101212 |
5 | 13311211210042 |
6 | 545331554034 |
7 | 103225326466 |
oct | 17571342146 |
9 | 5405441384 |
10 | 2112210022 |
11 | 99431871a |
12 | 4ab45b91a |
13 | 2787a4620 |
14 | 160747ba6 |
15 | c567a017 |
hex | 7de5c466 |
2112210022 has 8 divisors (see below), whose sum is σ = 3412031616. Its totient is φ = 974866152.
The previous prime is 2112210013. The next prime is 2112210029. The reversal of 2112210022 is 2200122112.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×21122100222 = 8922862354074480968, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 2112209984 and 2112210011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112210029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40619398 + ... + 40619449.
It is an arithmetic number, because the mean of its divisors is an integer number (426503952).
Almost surely, 22112210022 is an apocalyptic number.
2112210022 is a deficient number, since it is larger than the sum of its proper divisors (1299821594).
2112210022 is a wasteful number, since it uses less digits than its factorization.
2112210022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81238862.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 2112210022 is about 45958.7861240917. The cubic root of 2112210022 is about 1283.0562591730.
Adding to 2112210022 its reverse (2200122112), we get a palindrome (4312332134).
The spelling of 2112210022 in words is "two billion, one hundred twelve million, two hundred ten thousand, twenty-two".
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