Search a number
-
+
1068768563 = 17193308881
BaseRepresentation
bin111111101101000…
…001110100110011
32202111002001211212
4333231001310303
54142101043223
6254015230335
735325245222
oct7755016463
92674061755
101068768563
114a9323705
12259b183ab
13140567345
14a1d2ccb9
1563c67278
hex3fb41d33

1068768563 has 8 divisors (see below), whose sum is σ = 1191197520. Its totient is φ = 952957440.

The previous prime is 1068768559. The next prime is 1068768583. The reversal of 1068768563 is 3658678601.

It is a happy number.

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

It is not a de Polignac number, because 1068768563 - 22 = 1068768559 is a prime.

It is a super-2 number, since 2×10687685632 = 2284532482514169938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1068768583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1654118 + ... + 1654763.

It is an arithmetic number, because the mean of its divisors is an integer number (148899690).

Almost surely, 21068768563 is an apocalyptic number.

1068768563 is a deficient number, since it is larger than the sum of its proper divisors (122428957).

1068768563 is a wasteful number, since it uses less digits than its factorization.

1068768563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308917.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 1068768563 is about 32692.0259849401. The cubic root of 1068768563 is about 1022.4165957599.

The spelling of 1068768563 in words is "one billion, sixty-eight million, seven hundred sixty-eight thousand, five hundred sixty-three".

Divisors: 1 17 19 323 3308881 56250977 62868739 1068768563