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3995312697 = 321074148819
BaseRepresentation
bin1110111000100011…
…1010001000111001
3101022102212220200100
43232020322020321
531140300001242
61500241230013
7201002411655
oct35610721071
911272786610
103995312697
111770282622
12936032309
134b897006c
1429c893a65
15185b4b54c
hexee23a239

3995312697 has 12 divisors (see below), whose sum is σ = 5824943280. Its totient is φ = 2638648248.

The previous prime is 3995312693. The next prime is 3995312719. The reversal of 3995312697 is 7962135993.

It is a happy number.

3995312697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3995312697 - 22 = 3995312693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3995312693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2073447 + ... + 2075372.

It is an arithmetic number, because the mean of its divisors is an integer number (485411940).

Almost surely, 23995312697 is an apocalyptic number.

It is an amenable number.

3995312697 is a deficient number, since it is larger than the sum of its proper divisors (1829630583).

3995312697 is a wasteful number, since it uses less digits than its factorization.

3995312697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148932 (or 4148929 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 54.

The square root of 3995312697 is about 63208.4859571877. The cubic root of 3995312697 is about 1586.7807571365.

It can be divided in two parts, 39953 and 12697, that added together give a triangular number (52650 = T324).

The spelling of 3995312697 in words is "three billion, nine hundred ninety-five million, three hundred twelve thousand, six hundred ninety-seven".

Divisors: 1 3 9 107 321 963 4148819 12446457 37339371 443923633 1331770899 3995312697