Base | Representation |
---|---|
bin | 111111110101101… |
… | …0010000001011101 |
3 | 12112021122112112202 |
4 | 1333223102001131 |
5 | 13341331134240 |
6 | 552315341245 |
7 | 104040100601 |
oct | 17753220135 |
9 | 5467575482 |
10 | 2142052445 |
11 | 9aa150785 |
12 | 4b9451825 |
13 | 281a22970 |
14 | 1646b5501 |
15 | c80c2315 |
hex | 7fad205d |
2142052445 has 64 divisors (see below), whose sum is σ = 3096092160. Its totient is φ = 1406558208.
The previous prime is 2142052441. The next prime is 2142052453. The reversal of 2142052445 is 5442502412.
It is a cyclic number.
It is not a de Polignac number, because 2142052445 - 22 = 2142052441 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142052441) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2261462 + ... + 2262408.
It is an arithmetic number, because the mean of its divisors is an integer number (48376440).
Almost surely, 22142052445 is an apocalyptic number.
It is an amenable number.
2142052445 is a deficient number, since it is larger than the sum of its proper divisors (954039715).
2142052445 is a wasteful number, since it uses less digits than its factorization.
2142052445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1094.
The product of its (nonzero) digits is 12800, while the sum is 29.
The square root of 2142052445 is about 46282.3124422279. The cubic root of 2142052445 is about 1289.0705892835.
Adding to 2142052445 its reverse (5442502412), we get a palindrome (7584554857).
The spelling of 2142052445 in words is "two billion, one hundred forty-two million, fifty-two thousand, four hundred forty-five".
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