Base | Representation |
---|---|
bin | 10000001010101111… |
… | …00100110101110001 |
3 | 211101220221201202010 |
4 | 20011113210311301 |
5 | 120234040012011 |
6 | 3553150313133 |
7 | 425045535006 |
oct | 100527446561 |
9 | 24356851663 |
10 | 8680000881 |
11 | 37546a8152 |
12 | 1822ab87a9 |
13 | a8439c5c6 |
14 | 5c4b178ad |
15 | 35c06c1a6 |
hex | 2055e4d71 |
8680000881 has 8 divisors (see below), whose sum is σ = 11769492960. Its totient is φ = 5688588032.
The previous prime is 8680000783. The next prime is 8680000909. The reversal of 8680000881 is 1880000868.
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 8680000881 - 210 = 8679999857 is a prime.
It is a super-2 number, since 2×86800008812 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8680000481) 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, 24519600 + ... + 24519953.
It is an arithmetic number, because the mean of its divisors is an integer number (1471186620).
Almost surely, 28680000881 is an apocalyptic number.
It is an amenable number.
8680000881 is a deficient number, since it is larger than the sum of its proper divisors (3089492079).
8680000881 is a wasteful number, since it uses less digits than its factorization.
8680000881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49039615.
The product of its (nonzero) digits is 24576, while the sum is 39.
The square root of 8680000881 is about 93166.5223189102. The cubic root of 8680000881 is about 2055.1329534336.
The spelling of 8680000881 in words is "eight billion, six hundred eighty million, eight hundred eighty-one", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •