Base | Representation |
---|---|
bin | 101001100111111100… |
… | …0101011001011001100 |
3 | 22112201112120110220211 |
4 | 1103033320223023030 |
5 | 2431031043232130 |
6 | 105021443252204 |
7 | 6313044461563 |
oct | 1231770531314 |
9 | 275645513824 |
10 | 89387086540 |
11 | 349aa753144 |
12 | 153a767a064 |
13 | 8576b549ab |
14 | 447d752bda |
15 | 24d265ca2a |
hex | 14cfe2b2cc |
89387086540 has 48 divisors (see below), whose sum is σ = 190611816192. Its totient is φ = 35203202496.
The previous prime is 89387086507. The next prime is 89387086549. The reversal of 89387086540 is 4568078398.
It is not an unprimeable number, because it can be changed into a prime (89387086549) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2780599 + ... + 2812561.
It is an arithmetic number, because the mean of its divisors is an integer number (3971079504).
Almost surely, 289387086540 is an apocalyptic number.
It is an amenable number.
89387086540 is an abundant number, since it is smaller than the sum of its proper divisors (101224729652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89387086540 is a wasteful number, since it uses less digits than its factorization.
89387086540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34126 (or 34124 counting only the distinct ones).
The product of its (nonzero) digits is 11612160, while the sum is 58.
The spelling of 89387086540 in words is "eighty-nine billion, three hundred eighty-seven million, eighty-six thousand, five hundred forty".
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