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6431268716 = 221607817179
BaseRepresentation
bin1011111110101010…
…10101111101101100
3121121012120022010122
411333111111331230
5101132401044331
62542100224112
7315241611365
oct57725257554
917535508118
106431268716
112800313414
1212b599b038
137b6537962
144501d2b6c
1527992617b
hex17f555f6c

6431268716 has 6 divisors (see below), whose sum is σ = 11254720260. Its totient is φ = 3215634356.

The previous prime is 6431268619. The next prime is 6431268719. The reversal of 6431268716 is 6178621346.

It is a super-2 number, since 2×64312687162 = 82722434594800577312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6431268719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803908586 + ... + 803908593.

It is an arithmetic number, because the mean of its divisors is an integer number (1875786710).

Almost surely, 26431268716 is an apocalyptic number.

It is an amenable number.

6431268716 is a deficient number, since it is larger than the sum of its proper divisors (4823451544).

6431268716 is a wasteful number, since it uses less digits than its factorization.

6431268716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607817183 (or 1607817181 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 6431268716 is about 80195.1913521004. The cubic root of 6431268716 is about 1859.6543000332.

The spelling of 6431268716 in words is "six billion, four hundred thirty-one million, two hundred sixty-eight thousand, seven hundred sixteen".

Divisors: 1 2 4 1607817179 3215634358 6431268716