Base | Representation |
---|---|
bin | 100000010011101001100… |
… | …101101101000100100001 |
3 | 21212020112010102010102111 |
4 | 200103221211231010201 |
5 | 242333302224200001 |
6 | 4415524321315321 |
7 | 316253460324451 |
oct | 40235145550441 |
9 | 7766463363374 |
10 | 2220122100001 |
11 | 7866040575a3 |
12 | 2ba336495b41 |
13 | 13148363bba0 |
14 | 7965115bd61 |
15 | 3cb3cc8a851 |
hex | 204e996d121 |
2220122100001 has 32 divisors (see below), whose sum is σ = 2530656777600. Its totient is φ = 1930770432000.
The previous prime is 2220122099983. The next prime is 2220122100029. The reversal of 2220122100001 is 1000012210222.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2220122100001 - 213 = 2220122091809 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2220122100041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39265251 + ... + 39321751.
It is an arithmetic number, because the mean of its divisors is an integer number (79083024300).
Almost surely, 22220122100001 is an apocalyptic number.
It is an amenable number.
2220122100001 is a deficient number, since it is larger than the sum of its proper divisors (310534677599).
2220122100001 is a wasteful number, since it uses less digits than its factorization.
2220122100001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57409.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 2220122100001 its reverse (1000012210222), we get a palindrome (3220134310223).
The spelling of 2220122100001 in words is "two trillion, two hundred twenty billion, one hundred twenty-two million, one hundred thousand, one".
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