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320674744169 = 13271161356431
BaseRepresentation
bin1001010101010011011…
…01000100011101101001
31010122201101002211222122
410222221231010131221
520223220213303134
6403152124401025
732111422231403
oct4525155043551
91118641084878
10320674744169
11113aa759562a
12521953a6175
1324316242140
1411740ca9b73
15851c7ae02e
hex4aa9b44769

320674744169 has 16 divisors (see below), whose sum is σ = 346837392384. Its totient is φ = 294727118400.

The previous prime is 320674744129. The next prime is 320674744207. The reversal of 320674744169 is 961447476023.

It is a happy number.

It is not a de Polignac number, because 320674744169 - 28 = 320674743913 is a prime.

It is a super-2 number, since 2×3206747441692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320674744169.

It is not an unprimeable number, because it can be changed into a prime (320674744129) 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 15 ways as a sum of consecutive naturals, for example, 5654384 + ... + 5710814.

It is an arithmetic number, because the mean of its divisors is an integer number (21677337024).

Almost surely, 2320674744169 is an apocalyptic number.

It is an amenable number.

320674744169 is a deficient number, since it is larger than the sum of its proper divisors (26162648215).

320674744169 is a wasteful number, since it uses less digits than its factorization.

320674744169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58328.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 320674744169 in words is "three hundred twenty billion, six hundred seventy-four million, seven hundred forty-four thousand, one hundred sixty-nine".

Divisors: 1 13 271 1613 3523 20969 56431 437123 733603 5682599 15292801 91023203 198806413 1183301639 24667288013 320674744169