Base | Representation |
---|---|
bin | 101000111110100110… |
… | …1010111000001010111 |
3 | 22102010212112012000111 |
4 | 1101331031113001113 |
5 | 2420211000000322 |
6 | 104232053223451 |
7 | 6233502442006 |
oct | 1217515270127 |
9 | 272125465014 |
10 | 88000000087 |
11 | 343587845aa |
12 | 1507b031b87 |
13 | 83b5677c8c |
14 | 438b442c3d |
15 | 24509b9177 |
hex | 147d357057 |
88000000087 has 8 divisors (see below), whose sum is σ = 88387097600. Its totient is φ = 87613402464.
The previous prime is 88000000037. The next prime is 88000000129. The reversal of 88000000087 is 78000000088.
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 88000000087 - 27 = 87999999959 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 87999999995 and 88000000058.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88000000037) 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, 230089 + ... + 478477.
It is an arithmetic number, because the mean of its divisors is an integer number (11048387200).
Almost surely, 288000000087 is an apocalyptic number.
88000000087 is a deficient number, since it is larger than the sum of its proper divisors (387097513).
88000000087 is a wasteful number, since it uses less digits than its factorization.
88000000087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249945.
The product of its (nonzero) digits is 3584, while the sum is 31.
Subtracting from 88000000087 its reverse (78000000088), we obtain a palindrome (9999999999).
The spelling of 88000000087 in words is "eighty-eight billion, eighty-seven", and thus it is an aban number and an uban number.
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