Base | Representation |
---|---|
bin | 111010111101010… |
… | …101111011010001 |
3 | 2112221021111020000 |
4 | 322331111323101 |
5 | 4011211042441 |
6 | 242053040213 |
7 | 33340466556 |
oct | 7275257321 |
9 | 2487244200 |
10 | 989159121 |
11 | 468399985 |
12 | 237326069 |
13 | 129c12972 |
14 | 95528a2d |
15 | 5bc8e2b6 |
hex | 3af55ed1 |
989159121 has 10 divisors (see below), whose sum is σ = 1477632882. Its totient is φ = 659439360.
The previous prime is 989159113. The next prime is 989159177. The reversal of 989159121 is 121951989.
It can be written as a sum of positive squares in only one way, i.e., 514790721 + 474368400 = 22689^2 + 21780^2 .
It is not a de Polignac number, because 989159121 - 23 = 989159113 is a prime.
It is not an unprimeable number, because it can be changed into a prime (989159021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is an upside-down number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6105840 + ... + 6106001.
Almost surely, 2989159121 is an apocalyptic number.
It is an amenable number.
989159121 is a deficient number, since it is larger than the sum of its proper divisors (488473761).
989159121 is a wasteful number, since it uses less digits than its factorization.
989159121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12211853 (or 12211844 counting only the distinct ones).
The product of its digits is 58320, while the sum is 45.
The square root of 989159121 is about 31450.9001619985. The cubic root of 989159121 is about 996.3732361521.
The spelling of 989159121 in words is "nine hundred eighty-nine million, one hundred fifty-nine thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •