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68350385101 = 93871728131
BaseRepresentation
bin111111101010000000…
…000001101111001101
320112102110022022122111
4333222000001233031
52104440144310401
651222201544021
74636533454525
oct775200015715
9215373268574
1068350385101
1126a95012a79
12112b64a5011
1365a375c86b
1434458c8685
151ba08b0e51
hexfea001bcd

68350385101 has 4 divisors (see below), whose sum is σ = 68351207104. Its totient is φ = 68349563100.

The previous prime is 68350385069. The next prime is 68350385183. The reversal of 68350385101 is 10158305386.

68350385101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68350385101 - 25 = 68350385069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68350385801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270195 + ... + 457936.

It is an arithmetic number, because the mean of its divisors is an integer number (17087801776).

Almost surely, 268350385101 is an apocalyptic number.

It is an amenable number.

68350385101 is a deficient number, since it is larger than the sum of its proper divisors (822003).

68350385101 is an equidigital number, since it uses as much as digits as its factorization.

68350385101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822002.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 68350385101 in words is "sixty-eight billion, three hundred fifty million, three hundred eighty-five thousand, one hundred one".

Divisors: 1 93871 728131 68350385101