Base | Representation |
---|---|
bin | 111011111111010101… |
… | …1101000000011011000 |
3 | 110022112011112121220110 |
4 | 1313332223220003120 |
5 | 4102314141310241 |
6 | 135103211324320 |
7 | 12210310405524 |
oct | 1677653500330 |
9 | 408464477813 |
10 | 128826900696 |
11 | 4a6a947727a |
12 | 20b73a506a0 |
13 | c1c0b3b730 |
14 | 634177cd84 |
15 | 353ed8d816 |
hex | 1dfeae80d8 |
128826900696 has 64 divisors (see below), whose sum is σ = 347161651200. Its totient is φ = 39602475648.
The previous prime is 128826900691. The next prime is 128826900701. The reversal of 128826900696 is 696009628821.
It is an interprime number because it is at equal distance from previous prime (128826900691) and next prime (128826900701).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128826900691) 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, 149215 + ... + 529073.
It is an arithmetic number, because the mean of its divisors is an integer number (5424400800).
Almost surely, 2128826900696 is an apocalyptic number.
It is an amenable number.
128826900696 is an abundant number, since it is smaller than the sum of its proper divisors (218334750504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128826900696 is a wasteful number, since it uses less digits than its factorization.
128826900696 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 380968 (or 380964 counting only the distinct ones).
The product of its (nonzero) digits is 4478976, while the sum is 57.
The spelling of 128826900696 in words is "one hundred twenty-eight billion, eight hundred twenty-six million, nine hundred thousand, six hundred ninety-six".
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