Base | Representation |
---|---|
bin | 111100111000111… |
… | …1110000001000111 |
3 | 12021101112101012220 |
4 | 1321301332001013 |
5 | 13141021022330 |
6 | 534423343423 |
7 | 101426264562 |
oct | 17161760107 |
9 | 5241471186 |
10 | 2043142215 |
11 | 959333a94 |
12 | 4902b1b73 |
13 | 2673a11ba |
14 | 1554c94d9 |
15 | be585710 |
hex | 79c7e047 |
2043142215 has 16 divisors (see below), whose sum is σ = 3277943808. Its totient is φ = 1086703776.
The previous prime is 2043142207. The next prime is 2043142237. The reversal of 2043142215 is 5122413402.
It is not a de Polignac number, because 2043142215 - 23 = 2043142207 is a prime.
It is a super-2 number, since 2×20431422152 = 8348860221430212450, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180067 + ... + 191076.
It is an arithmetic number, because the mean of its divisors is an integer number (204871488).
Almost surely, 22043142215 is an apocalyptic number.
2043142215 is a deficient number, since it is larger than the sum of its proper divisors (1234801593).
2043142215 is a wasteful number, since it uses less digits than its factorization.
2043142215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 371518.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 2043142215 is about 45201.1306827606. The cubic root of 2043142215 is about 1268.9159772506.
Adding to 2043142215 its reverse (5122413402), we get a palindrome (7165555617).
The spelling of 2043142215 in words is "two billion, forty-three million, one hundred forty-two thousand, two hundred fifteen".
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