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130055201 = 743317497
BaseRepresentation
bin1111100000001…
…11110000100001
3100001201111012022
413300013300201
5231243231301
620523311225
73136310453
oct760076041
9301644168
10130055201
116745a441
123767b515
1320c37953
14133b62d3
15b63ed1b
hex7c07c21

130055201 has 4 divisors (see below), whose sum is σ = 130080132. Its totient is φ = 130030272.

The previous prime is 130055153. The next prime is 130055207. The reversal of 130055201 is 102550031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102550031 = 234458697.

It can be written as a sum of positive squares in 2 ways, for example, as 2907025 + 127148176 = 1705^2 + 11276^2 .

It is a cyclic number.

It is not a de Polignac number, because 130055201 - 214 = 130038817 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 130055201.

It is not an unprimeable number, because it can be changed into a prime (130055207) 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, 1316 + ... + 16181.

It is an arithmetic number, because the mean of its divisors is an integer number (32520033).

Almost surely, 2130055201 is an apocalyptic number.

It is an amenable number.

130055201 is a deficient number, since it is larger than the sum of its proper divisors (24931).

130055201 is an equidigital number, since it uses as much as digits as its factorization.

130055201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24930.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 130055201 is about 11404.1747180583. The cubic root of 130055201 is about 506.6513935743.

The spelling of 130055201 in words is "one hundred thirty million, fifty-five thousand, two hundred one".

Divisors: 1 7433 17497 130055201