Base | Representation |
---|---|
bin | 100000000001110111001… |
… | …101001110011011011111 |
3 | 21210102020002111001101202 |
4 | 200001313031032123133 |
5 | 242030143420224411 |
6 | 4403045222030115 |
7 | 315006256415135 |
oct | 40016715163337 |
9 | 7712202431352 |
10 | 2201023211231 |
11 | 7794a32497a9 |
12 | 2b66a627833b |
13 | 12c72b859680 |
14 | 7875c801755 |
15 | 3c3c11ba83b |
hex | 2007734e6df |
2201023211231 has 16 divisors (see below), whose sum is σ = 2398633171200. Its totient is φ = 2007487941888.
The previous prime is 2201023211227. The next prime is 2201023211279. The reversal of 2201023211231 is 1321123201022.
It is not a de Polignac number, because 2201023211231 - 22 = 2201023211227 is a prime.
It is a super-2 number, since 2×22010232112312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2201023211831) 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, 1003925 + ... + 2325921.
It is an arithmetic number, because the mean of its divisors is an integer number (149914573200).
Almost surely, 22201023211231 is an apocalyptic number.
2201023211231 is a deficient number, since it is larger than the sum of its proper divisors (197609959969).
2201023211231 is a wasteful number, since it uses less digits than its factorization.
2201023211231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1323538.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 2201023211231 its reverse (1321123201022), we get a palindrome (3522146412253).
The spelling of 2201023211231 in words is "two trillion, two hundred one billion, twenty-three million, two hundred eleven thousand, two hundred thirty-one".
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