Search a number
-
+
309134120799 = 37171327652541
BaseRepresentation
bin1000111111110011101…
…01000101011101011111
31002112221002101102220110
410133321311011131133
520031101313331144
6354003025021103
731222426446210
oct4377165053537
91075832342813
10309134120799
1110a115174469
124bab4484793
13231c730b20a
1410d682ab407
1580945300b9
hex47f9d4575f

309134120799 has 32 divisors (see below), whose sum is σ = 499147646976. Its totient is φ = 166131463680.

The previous prime is 309134120791. The next prime is 309134120809. The reversal of 309134120799 is 997021431903.

It is not a de Polignac number, because 309134120799 - 23 = 309134120791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309134120791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147469 + ... + 800009.

It is an arithmetic number, because the mean of its divisors is an integer number (15598363968).

Almost surely, 2309134120799 is an apocalyptic number.

309134120799 is a deficient number, since it is larger than the sum of its proper divisors (190013526177).

309134120799 is a wasteful number, since it uses less digits than its factorization.

309134120799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653895.

The product of its (nonzero) digits is 367416, while the sum is 48.

The spelling of 309134120799 in words is "three hundred nine billion, one hundred thirty-four million, one hundred twenty thousand, seven hundred ninety-nine".

Divisors: 1 3 7 17 21 51 119 357 1327 3981 9289 22559 27867 67677 157913 473739 652541 1957623 4567787 11093197 13703361 33279591 77652379 232957137 865921907 2597765721 6061453349 14720672419 18184360047 44162017257 103044706933 309134120799