Search a number
-
+
68111696 = 244256981
BaseRepresentation
bin1000000111101…
…00110101010000
311202011102200102
410003310311100
5114414033241
610431511532
71454640242
oct403646520
9152142612
1068111696
11354a1364
121a9885a8
131115a1a3
149090092
155ea639b
hex40f4d50

68111696 has 10 divisors (see below), whose sum is σ = 131966442. Its totient is φ = 34055840.

The previous prime is 68111689. The next prime is 68111711. The reversal of 68111696 is 69611186.

It can be written as a sum of positive squares in only one way, i.e., 64577296 + 3534400 = 8036^2 + 1880^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128475 + ... + 2128506.

Almost surely, 268111696 is an apocalyptic number.

It is an amenable number.

68111696 is a deficient number, since it is larger than the sum of its proper divisors (63854746).

68111696 is a wasteful number, since it uses less digits than its factorization.

68111696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256989 (or 4256983 counting only the distinct ones).

The product of its digits is 15552, while the sum is 38.

The square root of 68111696 is about 8252.9810371768. The cubic root of 68111696 is about 408.3888705617.

The spelling of 68111696 in words is "sixty-eight million, one hundred eleven thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 4256981 8513962 17027924 34055848 68111696