Base | Representation |
---|---|
bin | 101001100111101111… |
… | …0110001000011100111 |
3 | 22112201001210102112010 |
4 | 1103033132301003213 |
5 | 2431022323414022 |
6 | 105021041525303 |
7 | 6312632654052 |
oct | 1231736610347 |
9 | 275631712463 |
10 | 89380294887 |
11 | 349a6934504 |
12 | 153a5343833 |
13 | 8575617570 |
14 | 447c8a5a99 |
15 | 24d1c6a50c |
hex | 14cf7b10e7 |
89380294887 has 32 divisors (see below), whose sum is σ = 131514679296. Its totient is φ = 53646768000.
The previous prime is 89380294879. The next prime is 89380294891. The reversal of 89380294887 is 78849208398.
It is a happy number.
It is not a de Polignac number, because 89380294887 - 23 = 89380294879 is a prime.
It is a super-2 number, since 2×893802948872 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89380294897) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1137562 + ... + 1213592.
It is an arithmetic number, because the mean of its divisors is an integer number (4109833728).
Almost surely, 289380294887 is an apocalyptic number.
89380294887 is a deficient number, since it is larger than the sum of its proper divisors (42134384409).
89380294887 is a wasteful number, since it uses less digits than its factorization.
89380294887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76791.
The product of its (nonzero) digits is 55738368, while the sum is 66.
The spelling of 89380294887 in words is "eighty-nine billion, three hundred eighty million, two hundred ninety-four thousand, eight hundred eighty-seven".
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