Base | Representation |
---|---|
bin | 11111010101010… |
… | …011111000000011 |
3 | 1100122011022120111 |
4 | 133111103320003 |
5 | 2034033231011 |
6 | 124055052151 |
7 | 16012131064 |
oct | 3725237003 |
9 | 1318138514 |
10 | 525680131 |
11 | 24a807299 |
12 | 128071057 |
13 | 84ba6a42 |
14 | 4db5c56b |
15 | 3123c121 |
hex | 1f553e03 |
525680131 has 2 divisors, whose sum is σ = 525680132. Its totient is φ = 525680130.
The previous prime is 525680063. The next prime is 525680159. The reversal of 525680131 is 131086525.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 525680131 - 29 = 525679619 is a prime.
It is a super-2 number, since 2×5256801312 = 552679200256354322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 525680093 and 525680102.
It is not a weakly prime, because it can be changed into another prime (525680161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262840065 + 262840066.
It is an arithmetic number, because the mean of its divisors is an integer number (262840066).
Almost surely, 2525680131 is an apocalyptic number.
525680131 is a deficient number, since it is larger than the sum of its proper divisors (1).
525680131 is an equidigital number, since it uses as much as digits as its factorization.
525680131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7200, while the sum is 31.
The square root of 525680131 is about 22927.7153462791. The cubic root of 525680131 is about 807.0625354931.
The spelling of 525680131 in words is "five hundred twenty-five million, six hundred eighty thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •