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1368749966 = 23591906337
BaseRepresentation
bin101000110010101…
…0111011110001110
310112101112200222012
41101211113132032
510300344444331
6343453021222
745630116453
oct12145273616
93471480865
101368749966
11642695121
12322484812
1318a75982c
14cdad982a
158027082b
hex5195778e

1368749966 has 8 divisors (see below), whose sum is σ = 2058845040. Its totient is φ = 682468288.

The previous prime is 1368749959. The next prime is 1368750007. The reversal of 1368749966 is 6699478631.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 952451 + ... + 953886.

It is an arithmetic number, because the mean of its divisors is an integer number (257355630).

Almost surely, 21368749966 is an apocalyptic number.

1368749966 is a deficient number, since it is larger than the sum of its proper divisors (690095074).

1368749966 is a wasteful number, since it uses less digits than its factorization.

1368749966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906698.

The product of its digits is 11757312, while the sum is 59.

The square root of 1368749966 is about 36996.6210078704. The cubic root of 1368749966 is about 1110.3026434454.

The spelling of 1368749966 in words is "one billion, three hundred sixty-eight million, seven hundred forty-nine thousand, nine hundred sixty-six".

Divisors: 1 2 359 718 1906337 3812674 684374983 1368749966