Base | Representation |
---|---|
bin | 11110101110010011011… |
… | …011100101001010101101 |
3 | 21110211122021222210002221 |
4 | 132232103123211022231 |
5 | 234042421410020323 |
6 | 4253530254115341 |
7 | 305352020330524 |
oct | 36562333451255 |
9 | 7424567883087 |
10 | 2111302423213 |
11 | 7444421a3815 |
12 | 2a1226aabb51 |
13 | 1241308371a9 |
14 | 7428aa254bb |
15 | 39dbe5e355d |
hex | 1eb936e52ad |
2111302423213 has 24 divisors (see below), whose sum is σ = 2340579120768. Its totient is φ = 1900497958656.
The previous prime is 2111302423177. The next prime is 2111302423231. The reversal of 2111302423213 is 3123242031112.
It is not a de Polignac number, because 2111302423213 - 225 = 2111268868781 is a prime.
It is a super-2 number, since 2×21113024232132 (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 (2111309423213) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108023920 + ... + 108043462.
It is an arithmetic number, because the mean of its divisors is an integer number (97524130032).
Almost surely, 22111302423213 is an apocalyptic number.
2111302423213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
2111302423213 is a deficient number, since it is larger than the sum of its proper divisors (229276697555).
2111302423213 is a wasteful number, since it uses less digits than its factorization.
2111302423213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35853 (or 35836 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 2111302423213 its reverse (3123242031112), we get a palindrome (5234544454325).
The spelling of 2111302423213 in words is "two trillion, one hundred eleven billion, three hundred two million, four hundred twenty-three thousand, two hundred thirteen".
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