Base | Representation |
---|---|
bin | 100110011000110… |
… | …1110110000000110 |
3 | 10022202210111211100 |
4 | 1030301232300012 |
5 | 10114223324331 |
6 | 331452320530 |
7 | 43630466031 |
oct | 11461566006 |
9 | 3282714740 |
10 | 1288104966 |
11 | 601113365 |
12 | 2bb473146 |
13 | 176b319b5 |
14 | c3106018 |
15 | 78140ae6 |
hex | 4cc6ec06 |
1288104966 has 24 divisors (see below), whose sum is σ = 2791600344. Its totient is φ = 429259680.
The previous prime is 1288104953. The next prime is 1288104989. The reversal of 1288104966 is 6694018821.
It is a super-2 number, since 2×12881049662 = 3318428806867722312, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98746 + ... + 111026.
It is an arithmetic number, because the mean of its divisors is an integer number (116316681).
Almost surely, 21288104966 is an apocalyptic number.
1288104966 is an abundant number, since it is smaller than the sum of its proper divisors (1503495378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1288104966 is a wasteful number, since it uses less digits than its factorization.
1288104966 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18116 (or 18113 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 45.
The square root of 1288104966 is about 35890.1792416811. The cubic root of 1288104966 is about 1088.0539205859.
The spelling of 1288104966 in words is "one billion, two hundred eighty-eight million, one hundred four thousand, nine hundred sixty-six".
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