Base | Representation |
---|---|
bin | 100000001011010110011… |
… | …101011001010011011110 |
3 | 21211101112010000112022220 |
4 | 200023112131121103132 |
5 | 242212030033021230 |
6 | 4411452202250210 |
7 | 315516606153150 |
oct | 40132635312336 |
9 | 7741463015286 |
10 | 2211211220190 |
11 | 7828510a6715 |
12 | 2b866a1b6966 |
13 | 13069349323b |
14 | 79047904ad0 |
15 | 3c7ba814d10 |
hex | 202d67594de |
2211211220190 has 64 divisors (see below), whose sum is σ = 6112792756224. Its totient is φ = 501440018688.
The previous prime is 2211211220159. The next prime is 2211211220191. The reversal of 2211211220190 is 910221121122.
2211211220190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×22112112201902 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2211211220190.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2211211220191) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41428359 + ... + 41481698.
It is an arithmetic number, because the mean of its divisors is an integer number (95512386816).
Almost surely, 22211211220190 is an apocalyptic number.
2211211220190 is an abundant number, since it is smaller than the sum of its proper divisors (3901581536034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2211211220190 is a wasteful number, since it uses less digits than its factorization.
2211211220190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82910201.
The product of its (nonzero) digits is 288, while the sum is 24.
The spelling of 2211211220190 in words is "two trillion, two hundred eleven billion, two hundred eleven million, two hundred twenty thousand, one hundred ninety".
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