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4068683787 = 37252612
BaseRepresentation
bin1111001010000011…
…0011000000001011
3101111112221112220010
43302200303000023
531313040340122
61511422003003
7202553145600
oct36240630013
911445845803
104068683787
1117a8736393
12956716463
134cac1c0cc
142a85126a7
1518c2e0e0c
hexf283300b

4068683787 has 18 divisors (see below), whose sum is σ = 6311811324. Its totient is φ = 2324520240.

The previous prime is 4068683777. The next prime is 4068683791. The reversal of 4068683787 is 7873868604.

It is not a de Polignac number, because 4068683787 - 24 = 4068683771 is a prime.

It is a super-2 number, since 2×40686837872 = 33108375517193322738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4068683737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 770737 + ... + 775997.

Almost surely, 24068683787 is an apocalyptic number.

4068683787 is a deficient number, since it is larger than the sum of its proper divisors (2243127537).

4068683787 is an frugal number, since it uses more digits than its factorization.

4068683787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10539 (or 5271 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The square root of 4068683787 is about 63786.2350903390. The cubic root of 4068683787 is about 1596.4352652468.

The spelling of 4068683787 in words is "four billion, sixty-eight million, six hundred eighty-three thousand, seven hundred eighty-seven".

Divisors: 1 3 7 21 49 147 5261 15783 36827 110481 257789 773367 27678121 83034363 193746847 581240541 1356227929 4068683787