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130527211 = 831572617
BaseRepresentation
bin1111100011110…
…10111111101011
3100002121110200011
413301322333223
5231403332321
620541352351
73143314543
oct761727753
9302543604
10130527211
1167752031
12378686b7
1321071749
141349a323
15b6d4ae1
hex7c7afeb

130527211 has 4 divisors (see below), whose sum is σ = 132099912. Its totient is φ = 128954512.

The previous prime is 130527193. The next prime is 130527217. The reversal of 130527211 is 112725031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112725031 = 412749391.

It is a cyclic number.

It is not a de Polignac number, because 130527211 - 211 = 130525163 is a prime.

It is a super-2 number, since 2×1305272112 = 34074705622877042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130527217) 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, 786226 + ... + 786391.

It is an arithmetic number, because the mean of its divisors is an integer number (33024978).

Almost surely, 2130527211 is an apocalyptic number.

130527211 is a deficient number, since it is larger than the sum of its proper divisors (1572701).

130527211 is an equidigital number, since it uses as much as digits as its factorization.

130527211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572700.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 130527211 is about 11424.8505898327. The cubic root of 130527211 is about 507.2635843848.

The spelling of 130527211 in words is "one hundred thirty million, five hundred twenty-seven thousand, two hundred eleven".

Divisors: 1 83 1572617 130527211