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195428733695 = 51323130721561
BaseRepresentation
bin1011011000000001110…
…1011101001011111111
3200200102202122021222222
42312000131131023333
511200214223434240
6225440111555555
720055622553666
oct2660035351377
9620382567888
10195428733695
1175976475168
1231a6082bbbb
1315576252680
14965cd43ddd
15513bea9eb5
hex2d8075d2ff

195428733695 has 16 divisors (see below), whose sum is σ = 263534668992. Its totient is φ = 138041967360.

The previous prime is 195428733691. The next prime is 195428733701. The reversal of 195428733695 is 596337824591.

It is not a de Polignac number, because 195428733695 - 22 = 195428733691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195428733691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65359286 + ... + 65362275.

It is an arithmetic number, because the mean of its divisors is an integer number (16470916812).

Almost surely, 2195428733695 is an apocalyptic number.

195428733695 is a deficient number, since it is larger than the sum of its proper divisors (68105935297).

195428733695 is a wasteful number, since it uses less digits than its factorization.

195428733695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130721602.

The product of its digits is 48988800, while the sum is 62.

The spelling of 195428733695 in words is "one hundred ninety-five billion, four hundred twenty-eight million, seven hundred thirty-three thousand, six hundred ninety-five".

Divisors: 1 5 13 23 65 115 299 1495 130721561 653607805 1699380293 3006595903 8496901465 15032979515 39085746739 195428733695