Base | Representation |
---|---|
bin | 1110111111010… |
… | …10011101100101 |
3 | 22202121022002102 |
4 | 13133222131211 |
5 | 224142202101 |
6 | 20251021445 |
7 | 3054531356 |
oct | 737523545 |
9 | 282538072 |
10 | 125740901 |
11 | 64a83000 |
12 | 3613a885 |
13 | 20087000 |
14 | 129b1d2d |
15 | b08b86b |
hex | 77ea765 |
125740901 has 32 divisors (see below), whose sum is σ = 153310080. Its totient is φ = 103062960.
The previous prime is 125740889. The next prime is 125740907. The reversal of 125740901 is 109047521.
It is not a de Polignac number, because 125740901 - 214 = 125724517 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125740907) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2924186 + ... + 2924228.
It is an arithmetic number, because the mean of its divisors is an integer number (4790940).
Almost surely, 2125740901 is an apocalyptic number.
125740901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
125740901 is a deficient number, since it is larger than the sum of its proper divisors (27569179).
125740901 is an frugal number, since it uses more digits than its factorization.
125740901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115 (or 67 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 125740901 is about 11213.4250343060. The cubic root of 125740901 is about 500.9859226353.
The spelling of 125740901 in words is "one hundred twenty-five million, seven hundred forty thousand, nine hundred one".
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