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68380106 = 250116823
BaseRepresentation
bin1000001001101…
…10010111001010
311202200001212112
410010312113022
5120001130411
610441342322
71460135624
oct404662712
9152601775
1068380106
1135664a93
121aa979a2
1311222402
14911dc14
15600ab8b
hex41365ca

68380106 has 8 divisors (see below), whose sum is σ = 102605664. Its totient is φ = 34178220.

The previous prime is 68380099. The next prime is 68380111. The reversal of 68380106 is 60108386.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6611 + ... + 13433.

It is an arithmetic number, because the mean of its divisors is an integer number (12825708).

Almost surely, 268380106 is an apocalyptic number.

68380106 is a deficient number, since it is larger than the sum of its proper divisors (34225558).

68380106 is a wasteful number, since it uses less digits than its factorization.

68380106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11836.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 68380106 is about 8269.2264450794. The cubic root of 68380106 is about 408.9246179145.

It can be divided in two parts, 68380 and 106, that added together give a palindrome (68486).

The spelling of 68380106 in words is "sixty-eight million, three hundred eighty thousand, one hundred six".

Divisors: 1 2 5011 6823 10022 13646 34190053 68380106