Base | Representation |
---|---|
bin | 11110111001001001011… |
… | …010001011100001010111 |
3 | 21111221200201101111221100 |
4 | 132321021122023201113 |
5 | 234240243013201202 |
6 | 4303133452321143 |
7 | 306243365351400 |
oct | 36711132134127 |
9 | 7457621344840 |
10 | 2122945443927 |
11 | 7493773a3590 |
12 | 2a35361731b3 |
13 | 125267a40b69 |
14 | 74a7307a9a7 |
15 | 3a35184c41c |
hex | 1ee4968b857 |
2122945443927 has 144 divisors (see below), whose sum is σ = 4119137193600. Its totient is φ = 1038940318080.
The previous prime is 2122945443923. The next prime is 2122945443943. The reversal of 2122945443927 is 7293445492212.
It is a happy number.
2122945443927 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 9 + 4 + 544 + 3 + 92 + 7 = 666.
It is not a de Polignac number, because 2122945443927 - 22 = 2122945443923 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122945443923) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 16433913 + ... + 16562589.
It is an arithmetic number, because the mean of its divisors is an integer number (28605119400).
Almost surely, 22122945443927 is an apocalyptic number.
2122945443927 is a deficient number, since it is larger than the sum of its proper divisors (1996191749673).
2122945443927 is a wasteful number, since it uses less digits than its factorization.
2122945443927 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128906 (or 128896 counting only the distinct ones).
The product of its digits is 8709120, while the sum is 54.
The spelling of 2122945443927 in words is "two trillion, one hundred twenty-two billion, nine hundred forty-five million, four hundred forty-three thousand, nine hundred twenty-seven".
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