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3969669693 = 311120293021
BaseRepresentation
bin1110110010011100…
…0101101000111101
3101020122122010002110
43230213011220331
531112213412233
61453523444233
7200241431013
oct35447055075
911218563073
103969669693
111757858660
12929526679
134b35622a2
142992da8b3
15183783663
hexec9c5a3d

3969669693 has 8 divisors (see below), whose sum is σ = 5774065056. Its totient is φ = 2405860400.

The previous prime is 3969669673. The next prime is 3969669707.

3969669693 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3969669693 - 29 = 3969669181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3969669673) 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, 60146478 + ... + 60146543.

It is an arithmetic number, because the mean of its divisors is an integer number (721758132).

Almost surely, 23969669693 is an apocalyptic number.

3969669693 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3969669693 is a deficient number, since it is larger than the sum of its proper divisors (1804395363).

3969669693 is a wasteful number, since it uses less digits than its factorization.

3969669693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120293035.

The product of its digits is 76527504, while the sum is 66.

The square root of 3969669693 is about 63005.3147996262. The cubic root of 3969669693 is about 1583.3786713321.

The spelling of 3969669693 in words is "three billion, nine hundred sixty-nine million, six hundred sixty-nine thousand, six hundred ninety-three".

Divisors: 1 3 11 33 120293021 360879063 1323223231 3969669693