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1301013133 = 7185859019
BaseRepresentation
bin100110110001011…
…1110001010001101
310100200002022111121
41031202332022031
510131024410013
6333033120541
744145300130
oct11542761215
93320068447
101301013133
1160842a472
12303859151
13179701174
14c4b06217
157934058d
hex4d8be28d

1301013133 has 4 divisors (see below), whose sum is σ = 1486872160. Its totient is φ = 1115154108.

The previous prime is 1301013097. The next prime is 1301013137. The reversal of 1301013133 is 3313101031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3313101031 = 28559116009.

It is a cyclic number.

It is not a de Polignac number, because 1301013133 - 29 = 1301012621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301013137) 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, 92929503 + ... + 92929516.

It is an arithmetic number, because the mean of its divisors is an integer number (371718040).

Almost surely, 21301013133 is an apocalyptic number.

It is an amenable number.

1301013133 is a deficient number, since it is larger than the sum of its proper divisors (185859027).

1301013133 is an equidigital number, since it uses as much as digits as its factorization.

1301013133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185859026.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1301013133 is about 36069.5596452188. The cubic root of 1301013133 is about 1091.6763289655.

Adding to 1301013133 its reverse (3313101031), we get a palindrome (4614114164).

The spelling of 1301013133 in words is "one billion, three hundred one million, thirteen thousand, one hundred thirty-three".

Divisors: 1 7 185859019 1301013133