Base | Representation |
---|---|
bin | 111110111111010… |
… | …0010001110110110 |
3 | 12110022000012212201 |
4 | 1331332202032312 |
5 | 13312031421032 |
6 | 545420335114 |
7 | 103242560122 |
oct | 17576421666 |
9 | 5408005781 |
10 | 2113545142 |
11 | 99504a825 |
12 | 4ab9a449a |
13 | 278b51237 |
14 | 1609b4582 |
15 | c58408e7 |
hex | 7dfa23b6 |
2113545142 has 16 divisors (see below), whose sum is σ = 3345778800. Its totient is φ = 998572320.
The previous prime is 2113545079. The next prime is 2113545151. The reversal of 2113545142 is 2415453112.
It is a self number, because there is not a number n which added to its sum of digits gives 2113545142.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56709 + ... + 86272.
It is an arithmetic number, because the mean of its divisors is an integer number (209111175).
Almost surely, 22113545142 is an apocalyptic number.
2113545142 is a deficient number, since it is larger than the sum of its proper divisors (1232233658).
2113545142 is a wasteful number, since it uses less digits than its factorization.
2113545142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143391.
The product of its digits is 4800, while the sum is 28.
The square root of 2113545142 is about 45973.3090172983. The cubic root of 2113545142 is about 1283.3265405761.
Adding to 2113545142 its reverse (2415453112), we get a palindrome (4528998254).
The spelling of 2113545142 in words is "two billion, one hundred thirteen million, five hundred forty-five thousand, one hundred forty-two".
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