Base | Representation |
---|---|
bin | 100000001100010010100… |
… | …101111110000110001001 |
3 | 21211111010102101222121212 |
4 | 200030102211332012021 |
5 | 242221111321213001 |
6 | 4412140242142505 |
7 | 315553606412501 |
oct | 40142245760611 |
9 | 7744112358555 |
10 | 2212220101001 |
11 | 783219635809 |
12 | 2b88b0051a35 |
13 | 1307c44bc731 |
14 | 791018c4a01 |
15 | 3c82919c7bb |
hex | 2031297e189 |
2212220101001 has 4 divisors (see below), whose sum is σ = 2212598199504. Its totient is φ = 2211842002500.
The previous prime is 2212220100919. The next prime is 2212220101027. The reversal of 2212220101001 is 1001010222122.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2212220101001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2212120101001) 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 3 ways as a sum of consecutive naturals, for example, 189040475 + ... + 189052176.
It is an arithmetic number, because the mean of its divisors is an integer number (553149549876).
Almost surely, 22212220101001 is an apocalyptic number.
It is an amenable number.
2212220101001 is a deficient number, since it is larger than the sum of its proper divisors (378098503).
2212220101001 is an equidigital number, since it uses as much as digits as its factorization.
2212220101001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 378098502.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 2212220101001 its reverse (1001010222122), we get a palindrome (3213230323123).
The spelling of 2212220101001 in words is "two trillion, two hundred twelve billion, two hundred twenty million, one hundred one thousand, one".
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