Base | Representation |
---|---|
bin | 1101110110111100… |
… | …1010000100000101 |
3 | 100121021002000111022 |
4 | 3131233022010011 |
5 | 30104323023400 |
6 | 1413051120525 |
7 | 161121361340 |
oct | 33557120405 |
9 | 10537060438 |
10 | 3720126725 |
11 | 1639a072a7 |
12 | 879a43145 |
13 | 47394c923 |
14 | 2740dd457 |
15 | 16b8deb85 |
hex | ddbca105 |
3720126725 has 24 divisors (see below), whose sum is σ = 5394565440. Its totient is φ = 2491614720.
The previous prime is 3720126689. The next prime is 3720126733. The reversal of 3720126725 is 5276210273.
3720126725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 3720126725 - 220 = 3719078149 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239660 + ... + 254709.
It is an arithmetic number, because the mean of its divisors is an integer number (224773560).
Almost surely, 23720126725 is an apocalyptic number.
3720126725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3720126725 is a deficient number, since it is larger than the sum of its proper divisors (1674438715).
3720126725 is a wasteful number, since it uses less digits than its factorization.
3720126725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 494429 (or 494424 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 35.
The square root of 3720126725 is about 60992.8415881733. The cubic root of 3720126725 is about 1549.4797733867.
Adding to 3720126725 its reverse (5276210273), we get a palindrome (8996336998).
The spelling of 3720126725 in words is "three billion, seven hundred twenty million, one hundred twenty-six thousand, seven hundred twenty-five".
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