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3168683986 = 213121872461
BaseRepresentation
bin1011110011011110…
…0100011111010010
322011211102211021011
42330313210133102
522442140341421
61242231521134
7141344240506
oct27467443722
98154384234
103168683986
1113867041a6
127452291aa
133b6625850
14220b96306
151382b44e1
hexbcde47d2

3168683986 has 8 divisors (see below), whose sum is σ = 5118643404. Its totient is φ = 1462469520.

The previous prime is 3168683981. The next prime is 3168683993. The reversal of 3168683986 is 6893868613.

It can be written as a sum of positive squares in 2 ways, for example, as 3100373761 + 68310225 = 55681^2 + 8265^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 3168683986.

It is not an unprimeable number, because it can be changed into a prime (3168683981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60936205 + ... + 60936256.

Almost surely, 23168683986 is an apocalyptic number.

3168683986 is a deficient number, since it is larger than the sum of its proper divisors (1949959418).

3168683986 is a wasteful number, since it uses less digits than its factorization.

3168683986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121872476.

The product of its digits is 8957952, while the sum is 58.

The square root of 3168683986 is about 56291.0648860012. The cubic root of 3168683986 is about 1468.7897833896.

The spelling of 3168683986 in words is "three billion, one hundred sixty-eight million, six hundred eighty-three thousand, nine hundred eighty-six".

Divisors: 1 2 13 26 121872461 243744922 1584341993 3168683986