68131756394030 has 32 divisors (see below), whose sum is σ = 140158810681344. Its totient is φ = 23359116890016.

The previous prime is 68131756394027. The next prime is 68131756394071. The reversal of 68131756394030 is 3049365713186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2301992 + ... + 11898011.

It is an arithmetic number, because the mean of its divisors is an integer number (4379962833792).

Almost surely, 2^{68131756394030} is an apocalyptic number.

68131756394030 is an abundant number, since it is smaller than the sum of its proper divisors (72027054287314).

68131756394030 is a wasteful number, since it uses less digits than its factorization.

68131756394030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14268560.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 68131756394030 in words is "sixty-eight trillion, one hundred thirty-one billion, seven hundred fifty-six million, three hundred ninety-four thousand, thirty".