Base | Representation |
---|---|
bin | 111100111000111… |
… | …1110000011010101 |
3 | 12021101112101102011 |
4 | 1321301332003111 |
5 | 13141021023412 |
6 | 534423344221 |
7 | 101426265154 |
oct | 17161760325 |
9 | 5241471364 |
10 | 2043142357 |
11 | 959334103 |
12 | 4902b2071 |
13 | 2673a1299 |
14 | 1554c959b |
15 | be5857a7 |
hex | 79c7e0d5 |
2043142357 has 8 divisors (see below), whose sum is σ = 2087190072. Its totient is φ = 1999435200.
The previous prime is 2043142349. The next prime is 2043142373. The reversal of 2043142357 is 7532413402.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 379236676 + 1663905681 = 19474^2 + 40791^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2043142357 - 23 = 2043142349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2043142397) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72994 + ... + 97027.
It is an arithmetic number, because the mean of its divisors is an integer number (260898759).
Almost surely, 22043142357 is an apocalyptic number.
It is an amenable number.
2043142357 is a deficient number, since it is larger than the sum of its proper divisors (44047715).
2043142357 is a wasteful number, since it uses less digits than its factorization.
2043142357 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170279.
The product of its (nonzero) digits is 20160, while the sum is 31.
The square root of 2043142357 is about 45201.1322535177. The cubic root of 2043142357 is about 1268.9160066475.
Adding to 2043142357 its reverse (7532413402), we get a palindrome (9575555759).
It can be divided in two parts, 2043 and 142357, that added together give a square (144400 = 3802).
The spelling of 2043142357 in words is "two billion, forty-three million, one hundred forty-two thousand, three hundred fifty-seven".
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