Base | Representation |
---|---|
bin | 1111000110101… |
… | …10000111010000 |
3 | 22211102100010120 |
4 | 13203112013100 |
5 | 224414044003 |
6 | 20323430240 |
7 | 3065661423 |
oct | 743260720 |
9 | 284370116 |
10 | 126706128 |
11 | 6558220a |
12 | 36525380 |
13 | 20334453 |
14 | 12b839ba |
15 | b1cc853 |
hex | 78d61d0 |
126706128 has 20 divisors (see below), whose sum is σ = 327324288. Its totient is φ = 42235360.
The previous prime is 126706121. The next prime is 126706141. The reversal of 126706128 is 821607621.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126706121) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 1319808 + ... + 1319903.
Almost surely, 2126706128 is an apocalyptic number.
It is an amenable number.
126706128 is an abundant number, since it is smaller than the sum of its proper divisors (200618160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126706128 is a wasteful number, since it uses less digits than its factorization.
126706128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2639722 (or 2639716 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 126706128 is about 11256.3816566426. The cubic root of 126706128 is about 502.2645653366.
The spelling of 126706128 in words is "one hundred twenty-six million, seven hundred six thousand, one hundred twenty-eight".
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