Base | Representation |
---|---|
bin | 1110111001110… |
… | …10100000101111 |
3 | 22201020200111001 |
4 | 13130322200233 |
5 | 224001121312 |
6 | 20223341131 |
7 | 3045440254 |
oct | 734724057 |
9 | 281220431 |
10 | 125020207 |
11 | 64630594 |
12 | 35a517a7 |
13 | 1cb93c70 |
14 | 1286542b |
15 | ae98057 |
hex | 773a82f |
125020207 has 4 divisors (see below), whose sum is σ = 134637160. Its totient is φ = 115403256.
The previous prime is 125020201. The next prime is 125020211. The reversal of 125020207 is 702020521.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 125020207 - 27 = 125020079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125020201) 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, 4808457 + ... + 4808482.
It is an arithmetic number, because the mean of its divisors is an integer number (33659290).
Almost surely, 2125020207 is an apocalyptic number.
125020207 is a deficient number, since it is larger than the sum of its proper divisors (9616953).
125020207 is an equidigital number, since it uses as much as digits as its factorization.
125020207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9616952.
The product of its (nonzero) digits is 280, while the sum is 19.
The square root of 125020207 is about 11181.2435354928. The cubic root of 125020207 is about 500.0269412150.
Adding to 125020207 its reverse (702020521), we get a palindrome (827040728).
The spelling of 125020207 in words is "one hundred twenty-five million, twenty thousand, two hundred seven".
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