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309831075334 = 21179178268743
BaseRepresentation
bin1001000001000110101…
…11110000011000000110
31002121201122211101210101
410200203113300120012
520034013223402314
6354200123114314
731245621454504
oct4404327603006
91077648741711
10309831075334
1110a442623750
125006997299a
13232a8822351
1410dd2a91674
1580d5800174
hex48235f0606

309831075334 has 16 divisors (see below), whose sum is σ = 513413982720. Its totient is φ = 139049618760.

The previous prime is 309831075331. The next prime is 309831075353. The reversal of 309831075334 is 433570138903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309831075331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89132634 + ... + 89136109.

It is an arithmetic number, because the mean of its divisors is an integer number (32088373920).

Almost surely, 2309831075334 is an apocalyptic number.

309831075334 is a deficient number, since it is larger than the sum of its proper divisors (203582907386).

309831075334 is a wasteful number, since it uses less digits than its factorization.

309831075334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178268835.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 309831075334 in words is "three hundred nine billion, eight hundred thirty-one million, seventy-five thousand, three hundred thirty-four".

Divisors: 1 2 11 22 79 158 869 1738 178268743 356537486 1960956173 3921912346 14083230697 28166461394 154915537667 309831075334