Base | Representation |
---|---|
bin | 1101001101001011… |
… | …10000000000110100 |
3 | 200022002212021112101 |
4 | 12212211300000310 |
5 | 104010002144030 |
6 | 3131304431444 |
7 | 340456665256 |
oct | 64645600064 |
9 | 20262767471 |
10 | 7089881140 |
11 | 3009064701 |
12 | 145a478584 |
13 | 88cb15a54 |
14 | 4b3875cd6 |
15 | 2b76707ca |
hex | 1a6970034 |
7089881140 has 24 divisors (see below), whose sum is σ = 15402156840. Its totient is φ = 2738160768.
The previous prime is 7089881131. The next prime is 7089881167. The reversal of 7089881140 is 411889807.
It can be written as a sum of positive squares in 4 ways, for example, as 2422805284 + 4667075856 = 49222^2 + 68316^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6111387 + ... + 6112546.
It is an arithmetic number, because the mean of its divisors is an integer number (641756535).
Almost surely, 27089881140 is an apocalyptic number.
It is an amenable number.
7089881140 is an abundant number, since it is smaller than the sum of its proper divisors (8312275700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7089881140 is a wasteful number, since it uses less digits than its factorization.
7089881140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12223971 (or 12223969 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 46.
The square root of 7089881140 is about 84201.4319355675. The cubic root of 7089881140 is about 1921.0838372068.
The spelling of 7089881140 in words is "seven billion, eighty-nine million, eight hundred eighty-one thousand, one hundred forty".
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