Search a number
-
+
109668568 = 2313708571
BaseRepresentation
bin1101000100101…
…10100011011000
321122100201222211
412202112203120
5211033343233
614514324504
72501111302
oct642264330
9248321884
10109668568
11569a5689
1230889734
131994a559
14107ca972
1599645cd
hex68968d8

109668568 has 8 divisors (see below), whose sum is σ = 205628580. Its totient is φ = 54834280.

The previous prime is 109668553. The next prime is 109668569. The reversal of 109668568 is 865866901.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109668569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6854278 + ... + 6854293.

Almost surely, 2109668568 is an apocalyptic number.

It is an amenable number.

109668568 is a deficient number, since it is larger than the sum of its proper divisors (95960012).

109668568 is a wasteful number, since it uses less digits than its factorization.

109668568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13708577 (or 13708573 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 109668568 is about 10472.2761613701. The cubic root of 109668568 is about 478.6602804147.

The spelling of 109668568 in words is "one hundred nine million, six hundred sixty-eight thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 13708571 27417142 54834284 109668568