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1313092747 = 231496192
BaseRepresentation
bin100111001000100…
…0011010010001011
310101111211000121201
41032101003102023
510142122431442
6334144045031
744353050511
oct11621032213
93344730551
101313092747
1161423001a
12307903777
1317c070475
14c656c4b1
157a4297b7
hex4e44348b

1313092747 has 12 divisors (see below), whose sum is σ = 1381611600. Its totient is φ = 1245556752.

The previous prime is 1313092687. The next prime is 1313092799. The reversal of 1313092747 is 7472903131.

It is a happy number.

It is not a de Polignac number, because 1313092747 - 223 = 1304704139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313092447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2121004 + ... + 2121622.

It is an arithmetic number, because the mean of its divisors is an integer number (115134300).

Almost surely, 21313092747 is an apocalyptic number.

1313092747 is a deficient number, since it is larger than the sum of its proper divisors (68518853).

1313092747 is an frugal number, since it uses more digits than its factorization.

1313092747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 1313092747 is about 36236.6216278505. The cubic root of 1313092747 is about 1095.0445821871.

Adding to 1313092747 its reverse (7472903131), we get a palindrome (8785995878).

The spelling of 1313092747 in words is "one billion, three hundred thirteen million, ninety-two thousand, seven hundred forty-seven".

Divisors: 1 23 149 619 3427 14237 92231 383161 2121313 8812703 57090989 1313092747