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130850897 = 699718701
BaseRepresentation
bin1111100110010…
…10000001010001
3100010012220200112
413303022001101
5231444212042
620552331105
73146133332
oct763120121
9303186615
10130850897
1167953241
12379a3a95
1321155b88
1413542289
15b74a982
hex7cca051

130850897 has 4 divisors (see below), whose sum is σ = 130876596. Its totient is φ = 130825200.

The previous prime is 130850893. The next prime is 130850927. The reversal of 130850897 is 798058031.

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: 798058031 = 839615157.

It can be written as a sum of positive squares in 2 ways, for example, as 31629376 + 99221521 = 5624^2 + 9961^2 .

It is a cyclic number.

It is not a de Polignac number, because 130850897 - 22 = 130850893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130850893) 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, 2354 + ... + 16347.

It is an arithmetic number, because the mean of its divisors is an integer number (32719149).

Almost surely, 2130850897 is an apocalyptic number.

It is an amenable number.

130850897 is a deficient number, since it is larger than the sum of its proper divisors (25699).

130850897 is an equidigital number, since it uses as much as digits as its factorization.

130850897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25698.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 130850897 is about 11439.0076929776. The cubic root of 130850897 is about 507.6825483214.

The spelling of 130850897 in words is "one hundred thirty million, eight hundred fifty thousand, eight hundred ninety-seven".

Divisors: 1 6997 18701 130850897