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68110106 = 234055053
BaseRepresentation
bin1000000111101…
…00011100011010
311202011100111112
410003310130122
5114414010411
610431500322
71454632511
oct403643432
9152140445
1068110106
11354a0149
121a9876a2
131115954c
14908d678
155ea5b8b
hex40f471a

68110106 has 4 divisors (see below), whose sum is σ = 102165162. Its totient is φ = 34055052.

The previous prime is 68110103. The next prime is 68110111. The reversal of 68110106 is 60101186.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37761025 + 30349081 = 6145^2 + 5509^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68110103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17027525 + ... + 17027528.

Almost surely, 268110106 is an apocalyptic number.

68110106 is a deficient number, since it is larger than the sum of its proper divisors (34055056).

68110106 is a wasteful number, since it uses less digits than its factorization.

68110106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34055055.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 68110106 is about 8252.8847077855. The cubic root of 68110106 is about 408.3856927259.

The spelling of 68110106 in words is "sixty-eight million, one hundred ten thousand, one hundred six".

Divisors: 1 2 34055053 68110106