Base | Representation |
---|---|
bin | 11111001011111011111… |
… | …101010100010110100011 |
3 | 21120212202210000021211112 |
4 | 133023323331110112203 |
5 | 240103102420300041 |
6 | 4320311445533535 |
7 | 310556350550111 |
oct | 37137375242643 |
9 | 7525683007745 |
10 | 2143120868771 |
11 | 75698a94a913 |
12 | 2a7426a142ab |
13 | 12713187a07c |
14 | 75a28788ab1 |
15 | 3ab32bbadeb |
hex | 1f2fbf545a3 |
2143120868771 has 8 divisors (see below), whose sum is σ = 2185066213344. Its totient is φ = 2101231416960.
The previous prime is 2143120868731. The next prime is 2143120868821. The reversal of 2143120868771 is 1778680213412.
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 2143120868771 - 214 = 2143120852387 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2143120868731) 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, 13895750 + ... + 14049131.
It is an arithmetic number, because the mean of its divisors is an integer number (273133276668).
Almost surely, 22143120868771 is an apocalyptic number.
2143120868771 is a deficient number, since it is larger than the sum of its proper divisors (41945344573).
2143120868771 is a wasteful number, since it uses less digits than its factorization.
2143120868771 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27946381.
The product of its (nonzero) digits is 903168, while the sum is 50.
The spelling of 2143120868771 in words is "two trillion, one hundred forty-three billion, one hundred twenty million, eight hundred sixty-eight thousand, seven hundred seventy-one".
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