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2968664686 = 213792276367
BaseRepresentation
bin1011000011110010…
…0011101001101110
321122220001210100221
42300330203221232
522034434232221
61210324441554
7133365143041
oct26074435156
97586053327
102968664686
111293808799
126aa2492ba
13384062830
142023aac58
15125954541
hexb0f23a6e

2968664686 has 32 divisors (see below), whose sum is σ = 4878397440. Its totient is φ = 1346638176.

The previous prime is 2968664653. The next prime is 2968664693. The reversal of 2968664686 is 6864668692.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 463075 + ... + 469441.

It is an arithmetic number, because the mean of its divisors is an integer number (152449920).

Almost surely, 22968664686 is an apocalyptic number.

2968664686 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2968664686 is a deficient number, since it is larger than the sum of its proper divisors (1909732754).

2968664686 is a wasteful number, since it uses less digits than its factorization.

2968664686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6688.

The product of its digits is 35831808, while the sum is 61.

The square root of 2968664686 is about 54485.4538936770. The cubic root of 2968664686 is about 1437.2105022666.

The spelling of 2968664686 in words is "two billion, nine hundred sixty-eight million, six hundred sixty-four thousand, six hundred eighty-six".

Divisors: 1 2 13 26 79 158 227 454 1027 2054 2951 5902 6367 12734 17933 35866 82771 165542 233129 466258 502993 1005986 1445309 2890618 6538909 13077818 18789017 37578034 114179411 228358822 1484332343 2968664686