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68331242106 = 2324271888827
BaseRepresentation
bin111111101000110111…
…000000001001111010
320112101010021202101200
4333220313000021322
52104420244221411
651220235355030
74636211655201
oct775067001172
9215333252350
1068331242106
1126a85228616
12112abbb2a76
13659c7b954a
143443144238
151b9dd7de56
hexfe8dc027a

68331242106 has 24 divisors (see below), whose sum is σ = 148085855424. Its totient is φ = 22771722120.

The previous prime is 68331242081. The next prime is 68331242113. The reversal of 68331242106 is 60124213386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367536 + ... + 521291.

It is an arithmetic number, because the mean of its divisors is an integer number (6170243976).

Almost surely, 268331242106 is an apocalyptic number.

68331242106 is an abundant number, since it is smaller than the sum of its proper divisors (79754613318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68331242106 is a wasteful number, since it uses less digits than its factorization.

68331242106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893106 (or 893103 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 68331242106 in words is "sixty-eight billion, three hundred thirty-one million, two hundred forty-two thousand, one hundred six".

Divisors: 1 2 3 6 9 18 4271 8542 12813 25626 38439 76878 888827 1777654 2666481 5332962 7999443 15998886 3796180117 7592360234 11388540351 22777080702 34165621053 68331242106