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319129095 = 35142314951
BaseRepresentation
bin10011000001011…
…000011000000111
3211020111102211010
4103001120120013
51123144112340
651400013303
710623360345
oct2301303007
9736442733
10319129095
1115415a45a
128aa61233
13511679ac
1430552995
151d03bb80
hex13058607

319129095 has 16 divisors (see below), whose sum is σ = 510999552. Its totient is φ = 170071200.

The previous prime is 319129093. The next prime is 319129141. The reversal of 319129095 is 590921913.

It is not a de Polignac number, because 319129095 - 21 = 319129093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319129091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13870 + ... + 28820.

It is an arithmetic number, because the mean of its divisors is an integer number (31937472).

Almost surely, 2319129095 is an apocalyptic number.

319129095 is a deficient number, since it is larger than the sum of its proper divisors (191870457).

319129095 is a wasteful number, since it uses less digits than its factorization.

319129095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16382.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 319129095 is about 17864.1847001200. The cubic root of 319129095 is about 683.3693038108.

The spelling of 319129095 in words is "three hundred nineteen million, one hundred twenty-nine thousand, ninety-five".

Divisors: 1 3 5 15 1423 4269 7115 14951 21345 44853 74755 224265 21275273 63825819 106376365 319129095