Base | Representation |
---|---|
bin | 1111100000000… |
… | …00100111000111 |
3 | 100001200000001002 |
4 | 13300000213013 |
5 | 231241312202 |
6 | 20522523515 |
7 | 3136126223 |
oct | 760004707 |
9 | 301600032 |
10 | 130025927 |
11 | 6743a449 |
12 | 3766659b |
13 | 20c27525 |
14 | 133a9783 |
15 | b636302 |
hex | 7c009c7 |
130025927 has 4 divisors (see below), whose sum is σ = 130287000. Its totient is φ = 129764856.
The previous prime is 130025899. The next prime is 130025933. The reversal of 130025927 is 729520031.
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 130025927 - 28 = 130025671 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130025927.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130025957) 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, 129788 + ... + 130785.
It is an arithmetic number, because the mean of its divisors is an integer number (32571750).
Almost surely, 2130025927 is an apocalyptic number.
130025927 is a deficient number, since it is larger than the sum of its proper divisors (261073).
130025927 is an equidigital number, since it uses as much as digits as its factorization.
130025927 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 261072.
The product of its (nonzero) digits is 3780, while the sum is 29.
The square root of 130025927 is about 11402.8911684713. The cubic root of 130025927 is about 506.6133768303.
Adding to 130025927 its reverse (729520031), we get a palindrome (859545958).
The spelling of 130025927 in words is "one hundred thirty million, twenty-five thousand, nine hundred twenty-seven".
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