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68012203 = 749919471
BaseRepresentation
bin1000000110111…
…00100010101011
311201222101012111
410003130202223
5114402342303
610425423151
71454044210
oct403344253
9151871174
1068012203
1135433636
121a93aab7
1311123b0c
149065b07
155e86b6d
hex40dc8ab

68012203 has 8 divisors (see below), whose sum is σ = 77888000. Its totient is φ = 58176360.

The previous prime is 68012177. The next prime is 68012207. The reversal of 68012203 is 30221086.

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

It is a cyclic number.

It is not a de Polignac number, because 68012203 - 213 = 68004011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68012207) 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, 6243 + ... + 13228.

It is an arithmetic number, because the mean of its divisors is an integer number (9736000).

Almost surely, 268012203 is an apocalyptic number.

68012203 is a deficient number, since it is larger than the sum of its proper divisors (9875797).

68012203 is a wasteful number, since it uses less digits than its factorization.

68012203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19977.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 68012203 is about 8246.9511336008. The cubic root of 68012203 is about 408.1899246319.

Adding to 68012203 its reverse (30221086), we get a palindrome (98233289).

The spelling of 68012203 in words is "sixty-eight million, twelve thousand, two hundred three".

Divisors: 1 7 499 3493 19471 136297 9716029 68012203