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68346064386 = 23310723118033
BaseRepresentation
bin111111101001101111…
…100010111000000010
320112102011011210202000
4333221233202320002
52104433043030021
651221525204430
74636451650635
oct775157427002
9215364153660
1068346064386
1126a92631836
12112b4b60716
1365a28a9022
1434450c1c1c
151ba030ab26
hexfe9be2e02

68346064386 has 32 divisors (see below), whose sum is σ = 151895593920. Its totient is φ = 22779703872.

The previous prime is 68346064379. The next prime is 68346064387.

68346064386 is a `hidden beast` number, since 68 + 3 + 460 + 6 + 43 + 86 = 666.

68346064386 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×683460643863 (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (68346064387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520026 + ... + 638058.

It is an arithmetic number, because the mean of its divisors is an integer number (4746737310).

Almost surely, 268346064386 is an apocalyptic number.

68346064386 is an abundant number, since it is smaller than the sum of its proper divisors (83549529534).

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

68346064386 is a wasteful number, since it uses less digits than its factorization.

68346064386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128767 (or 128761 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 54.

The spelling of 68346064386 in words is "sixty-eight billion, three hundred forty-six million, sixty-four thousand, three hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 10723 21446 32169 64338 96507 118033 193014 236066 289521 354099 579042 708198 1062297 2124594 3186891 6373782 1265667859 2531335718 3797003577 7594007154 11391010731 22782021462 34173032193 68346064386