Base | Representation |
---|---|
bin | 101010001011101010011… |
… | …111010011011000001111 |
3 | 101021010011022112112100211 |
4 | 222023222133103120033 |
5 | 334443110430010022 |
6 | 10055355205503251 |
7 | 416266346505052 |
oct | 52135237233017 |
9 | 11233138475324 |
10 | 2898742031887 |
11 | a18393341609 |
12 | 3a9966a11b27 |
13 | 180472510b40 |
14 | a042ab76a99 |
15 | 50609d6ce77 |
hex | 2a2ea7d360f |
2898742031887 has 8 divisors (see below), whose sum is σ = 3121746229280. Its totient is φ = 2675741268960.
The previous prime is 2898742031837. The next prime is 2898742031897. The reversal of 2898742031887 is 7881302478982.
It is a happy number.
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 2898742031887 - 239 = 2348986217999 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 (2898742031837) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051789 + ... + 2627497.
It is an arithmetic number, because the mean of its divisors is an integer number (390218278660).
Almost surely, 22898742031887 is an apocalyptic number.
2898742031887 is a deficient number, since it is larger than the sum of its proper divisors (223004197393).
2898742031887 is a wasteful number, since it uses less digits than its factorization.
2898742031887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1717233.
The product of its (nonzero) digits is 86704128, while the sum is 67.
The spelling of 2898742031887 in words is "two trillion, eight hundred ninety-eight billion, seven hundred forty-two million, thirty-one thousand, eight hundred eighty-seven".
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