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1968366088 = 231318926597
BaseRepresentation
bin111010101010010…
…1110001000001000
312002011211100122201
41311110232020020
513012400203323
6523152525544
766530556433
oct16524561010
95064740581
101968366088
11920100637
1246b2508b4
13254a4c780
141495c281a
15b7c148ad
hex7552e208

1968366088 has 16 divisors (see below), whose sum is σ = 3974585580. Its totient is φ = 908476608.

The previous prime is 1968366077. The next prime is 1968366091. The reversal of 1968366088 is 8806638691.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1574661124 + 393704964 = 39682^2 + 19842^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9463195 + ... + 9463402.

Almost surely, 21968366088 is an apocalyptic number.

It is an amenable number.

1968366088 is an abundant number, since it is smaller than the sum of its proper divisors (2006219492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1968366088 is a wasteful number, since it uses less digits than its factorization.

1968366088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18926616 (or 18926612 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 1968366088 is about 44366.2719641847. The cubic root of 1968366088 is about 1253.2430111335.

The spelling of 1968366088 in words is "one billion, nine hundred sixty-eight million, three hundred sixty-six thousand, eighty-eight".

Divisors: 1 2 4 8 13 26 52 104 18926597 37853194 75706388 151412776 246045761 492091522 984183044 1968366088