Base | Representation |
---|---|
bin | 11110100011111110010… |
… | …101001111100110010111 |
3 | 21102210000022120020021222 |
4 | 132203332111033212113 |
5 | 233402213010202411 |
6 | 4244453523000555 |
7 | 304510121065520 |
oct | 36437625174627 |
9 | 7383008506258 |
10 | 2100211022231 |
11 | 73a770408023 |
12 | 29b05050915b |
13 | 1230839ba02a |
14 | 73917961847 |
15 | 399709ec4db |
hex | 1e8fe54f997 |
2100211022231 has 16 divisors (see below), whose sum is σ = 2427563691840. Its totient is φ = 1779728440320.
The previous prime is 2100211022227. The next prime is 2100211022249. The reversal of 2100211022231 is 1322201120012.
It is a cyclic number.
It is not a de Polignac number, because 2100211022231 - 22 = 2100211022227 is a prime.
It is a super-2 number, since 2×21002110222312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2100211022251) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004576 + ... + 2282453.
It is an arithmetic number, because the mean of its divisors is an integer number (151722730740).
Almost surely, 22100211022231 is an apocalyptic number.
2100211022231 is a deficient number, since it is larger than the sum of its proper divisors (327352669609).
2100211022231 is an equidigital number, since it uses as much as digits as its factorization.
2100211022231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3288074.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 2100211022231 its reverse (1322201120012), we get a palindrome (3422412142243).
The spelling of 2100211022231 in words is "two trillion, one hundred billion, two hundred eleven million, twenty-two thousand, two hundred thirty-one".
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