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68477277486 = 2311412879581
BaseRepresentation
bin111111110001100100…
…000101010100101110
320112202022002010021110
4333301210011110232
52110220140334421
651242533412450
74642634153262
oct776144052456
9215668063243
1068477277486
112704a702112
1211330a9a126
1365c3b2aa07
1434586ba0a2
151babac8a76
hexff190552e

68477277486 has 8 divisors (see below), whose sum is σ = 136954554984. Its totient is φ = 22825759160.

The previous prime is 68477277469. The next prime is 68477277493.

68477277486 is nontrivially palindromic in base 10.

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

68477277486 is an admirable number.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5706439785 + ... + 5706439796.

It is an arithmetic number, because the mean of its divisors is an integer number (17119319373).

Almost surely, 268477277486 is an apocalyptic number.

68477277486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68477277486 is a wasteful number, since it uses less digits than its factorization.

68477277486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11412879586.

The product of its digits is 177020928, while the sum is 66.

The spelling of 68477277486 in words is "sixty-eight billion, four hundred seventy-seven million, two hundred seventy-seven thousand, four hundred eighty-six".

Divisors: 1 2 3 6 11412879581 22825759162 34238638743 68477277486