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1306202041 = 2117018831
BaseRepresentation
bin100110111011011…
…0000111110111001
310101000211221100101
41031312300332321
510133341431131
6333340235401
744240351134
oct11566607671
93330757311
101306202041
11610353a21
1230553bb61
1317a7c9c21
14c569721b
1579a17c61
hex4ddb0fb9

1306202041 has 8 divisors (see below), whose sum is σ = 1314413568. Its totient is φ = 1298010000.

The previous prime is 1306202011. The next prime is 1306202047. The reversal of 1306202041 is 1402026031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1306202041 - 29 = 1306201529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306202047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143496 + ... + 152326.

It is an arithmetic number, because the mean of its divisors is an integer number (164301696).

Almost surely, 21306202041 is an apocalyptic number.

It is an amenable number.

1306202041 is a deficient number, since it is larger than the sum of its proper divisors (8211527).

1306202041 is an equidigital number, since it uses as much as digits as its factorization.

1306202041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1306202041 is about 36141.4172522329. The cubic root of 1306202041 is about 1093.1257362785.

Adding to 1306202041 its reverse (1402026031), we get a palindrome (2708228072).

The spelling of 1306202041 in words is "one billion, three hundred six million, two hundred two thousand, forty-one".

Divisors: 1 211 701 8831 147911 1863341 6190531 1306202041