Base | Representation |
---|---|
bin | 1111010101111… |
… | …11100111110000 |
3 | 22222012012111201 |
4 | 13222333213300 |
5 | 230422224102 |
6 | 20434420544 |
7 | 3122012113 |
oct | 752774760 |
9 | 288165451 |
10 | 128711152 |
11 | 66721659 |
12 | 37131754 |
13 | 20886c5b |
14 | 1314657a |
15 | b476987 |
hex | 7abf9f0 |
128711152 has 10 divisors (see below), whose sum is σ = 249377888. Its totient is φ = 64355568.
The previous prime is 128711113. The next prime is 128711183. The reversal of 128711152 is 251117821.
It is a self number, because there is not a number n which added to its sum of digits gives 128711152.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4022208 + ... + 4022239.
Almost surely, 2128711152 is an apocalyptic number.
It is an amenable number.
128711152 is a deficient number, since it is larger than the sum of its proper divisors (120666736).
128711152 is an equidigital number, since it uses as much as digits as its factorization.
128711152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8044455 (or 8044449 counting only the distinct ones).
The product of its digits is 1120, while the sum is 28.
The square root of 128711152 is about 11345.0937413492. The cubic root of 128711152 is about 504.9000253030.
Adding to 128711152 its reverse (251117821), we get a palindrome (379828973).
The spelling of 128711152 in words is "one hundred twenty-eight million, seven hundred eleven thousand, one hundred fifty-two".
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