Base | Representation |
---|---|
bin | 11110101110001110000… |
… | …100010111001001101101 |
3 | 21110211102000200200122000 |
4 | 132232032010113021231 |
5 | 234042230341403123 |
6 | 4253513321442513 |
7 | 305346545510253 |
oct | 36561604271155 |
9 | 7424360620560 |
10 | 2111212450413 |
11 | 7443a6430930 |
12 | 2a1200940439 |
13 | 124117cc4751 |
14 | 7427cac45d3 |
15 | 39db676eb43 |
hex | 1eb8e11726d |
2111212450413 has 32 divisors (see below), whose sum is σ = 3422961828480. Its totient is φ = 1275434709120.
The previous prime is 2111212450411. The next prime is 2111212450439. The reversal of 2111212450413 is 3140542121112.
2111212450413 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 2 + 1 + 245 + 0 + 413 = 666.
It is not a de Polignac number, because 2111212450413 - 21 = 2111212450411 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2111212450411) 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, 11262406 + ... + 11448327.
It is an arithmetic number, because the mean of its divisors is an integer number (106967557140).
Almost surely, 22111212450413 is an apocalyptic number.
It is an amenable number.
2111212450413 is a deficient number, since it is larger than the sum of its proper divisors (1311749378067).
2111212450413 is a wasteful number, since it uses less digits than its factorization.
2111212450413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22711066 (or 22711060 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
Adding to 2111212450413 its reverse (3140542121112), we get a palindrome (5251754571525).
The spelling of 2111212450413 in words is "two trillion, one hundred eleven billion, two hundred twelve million, four hundred fifty thousand, four hundred thirteen".
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