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14187906769 = 31123832
BaseRepresentation
bin11010011011010101…
…00100011011010001
31100121210001100012111
431031222210123101
5213024101004034
610303504025321
71011406134451
oct151552443321
940553040174
1014187906769
116020781393
1228bb602241
13145152090a
1498842bd61
1558089e364
hex34daa46d1

14187906769 has 9 divisors (see below), whose sum is σ = 14270934409. Its totient is φ = 14105361460.

The previous prime is 14187906763. The next prime is 14187906773. The reversal of 14187906769 is 96760978141.

The square root of 14187906769 is 119113.

It is a perfect power (a square), and thus also a powerful number.

14187906769 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 14187906769 - 223 = 14179518161 is a prime.

It is a super-2 number, since 2×141879067692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14187906763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 37043952 + ... + 37044334.

Almost surely, 214187906769 is an apocalyptic number.

14187906769 is the 119113-rd square number.

14187906769 is the 59557-th centered octagonal number.

It is an amenable number.

14187906769 is a deficient number, since it is larger than the sum of its proper divisors (83027640).

14187906769 is an frugal number, since it uses more digits than its factorization.

14187906769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 14187906769 in words is "fourteen billion, one hundred eighty-seven million, nine hundred six thousand, seven hundred sixty-nine".

Divisors: 1 311 383 96721 119113 146689 37044143 45620279 14187906769