Base | Representation |
---|---|
bin | 1111001000000… |
… | …01100000111101 |
3 | 22211202100222202 |
4 | 13210001200331 |
5 | 224440241101 |
6 | 20331321245 |
7 | 3100331624 |
oct | 744014075 |
9 | 284670882 |
10 | 126883901 |
11 | 65693831 |
12 | 365b0225 |
13 | 20397341 |
14 | 12bcc6bb |
15 | b21536b |
hex | 790183d |
126883901 has 4 divisors (see below), whose sum is σ = 126991452. Its totient is φ = 126776352.
The previous prime is 126883877. The next prime is 126883921. The reversal of 126883901 is 109388621.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 109388621 = 23 ⋅4756027.
It can be written as a sum of positive squares in 2 ways, for example, as 106399225 + 20484676 = 10315^2 + 4526^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-126883901 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126883921) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51986 + ... + 54371.
It is an arithmetic number, because the mean of its divisors is an integer number (31747863).
Almost surely, 2126883901 is an apocalyptic number.
It is an amenable number.
126883901 is a deficient number, since it is larger than the sum of its proper divisors (107551).
126883901 is a wasteful number, since it uses less digits than its factorization.
126883901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107550.
The product of its (nonzero) digits is 20736, while the sum is 38.
The square root of 126883901 is about 11264.2754316467. The cubic root of 126883901 is about 502.4993536455.
The spelling of 126883901 in words is "one hundred twenty-six million, eight hundred eighty-three thousand, nine hundred one".
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