Base | Representation |
---|---|
bin | 100000001011010000011… |
… | …111011110001001010100 |
3 | 21211101021010121221122012 |
4 | 200023100133132021110 |
5 | 242211323420213022 |
6 | 4411434224323352 |
7 | 315514252153412 |
oct | 40132037361124 |
9 | 7741233557565 |
10 | 2211111101012 |
11 | 7827aa6336a0 |
12 | 2b8640773558 |
13 | 13067880a418 |
14 | 790384c22b2 |
15 | 3c7b1b39de2 |
hex | 202d07de254 |
2211111101012 has 48 divisors (see below), whose sum is σ = 4259939342400. Its totient is φ = 995858165760.
The previous prime is 2211111100997. The next prime is 2211111101029. The reversal of 2211111101012 is 2101011111122.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2757908 + ... + 3468180.
It is an arithmetic number, because the mean of its divisors is an integer number (88748736300).
Almost surely, 22211111101012 is an apocalyptic number.
2211111101012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2211111101012 is a deficient number, since it is larger than the sum of its proper divisors (2048828241388).
2211111101012 is a wasteful number, since it uses less digits than its factorization.
2211111101012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 710936 (or 710934 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 14.
Adding to 2211111101012 its reverse (2101011111122), we get a palindrome (4312122212134).
The spelling of 2211111101012 in words is "two trillion, two hundred eleven billion, one hundred eleven million, one hundred one thousand, twelve".
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