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4291247669 = 10394130171
BaseRepresentation
bin1111111111000111…
…0011111000110101
3102002001201222010212
43333301303320311
532242024411134
61545452155205
7211225001102
oct37761637065
912061658125
104291247669
11190232a985
129b9168b05
13535076807
142c9cc9aa9
151a1b05bce
hexffc73e35

4291247669 has 4 divisors (see below), whose sum is σ = 4295378880. Its totient is φ = 4287116460.

The previous prime is 4291247573. The next prime is 4291247671. The reversal of 4291247669 is 9667421924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4291247669 - 212 = 4291243573 is a prime.

It is a super-2 number, since 2×42912476692 = 36829613113395867122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4291247969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2064047 + ... + 2066124.

It is an arithmetic number, because the mean of its divisors is an integer number (1073844720).

Almost surely, 24291247669 is an apocalyptic number.

It is an amenable number.

4291247669 is a deficient number, since it is larger than the sum of its proper divisors (4131211).

4291247669 is a wasteful number, since it uses less digits than its factorization.

4291247669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131210.

The product of its digits is 1306368, while the sum is 50.

The square root of 4291247669 is about 65507.6153511941. The cubic root of 4291247669 is about 1625.0292910223.

The spelling of 4291247669 in words is "four billion, two hundred ninety-one million, two hundred forty-seven thousand, six hundred sixty-nine".

Divisors: 1 1039 4130171 4291247669