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64804042860486 = 2369112115627761
BaseRepresentation
bin11101011110000010111011…
…11101000110011111000110
322111110012120011120112212120
432233001131331012133012
531443222134433013421
6345454322153230410
716435636410461046
oct1657013575063706
9274405504515776
1064804042860486
1119715270836386
12732755aa02406
132a20cc20a0817
141200764d0b726
15775a7dc3e8c6
hex3af05df467c6

64804042860486 has 16 divisors (see below), whose sum is σ = 129608281547568. Its totient is φ = 21601314982400.

The previous prime is 64804042860481. The next prime is 64804042860527. The reversal of 64804042860486 is 68406824040846.

It is a happy number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64804042860481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3667155 + ... + 11960606.

It is an arithmetic number, because the mean of its divisors is an integer number (8100517596723).

Almost surely, 264804042860486 is an apocalyptic number.

64804042860486 is an abundant number, since it is smaller than the sum of its proper divisors (64804238687082).

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

64804042860486 is a wasteful number, since it uses less digits than its factorization.

64804042860486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16318887.

The product of its (nonzero) digits is 56623104, while the sum is 60.

The spelling of 64804042860486 in words is "sixty-four trillion, eight hundred four billion, forty-two million, eight hundred sixty thousand, four hundred eighty-six".

Divisors: 1 2 3 6 691121 1382242 2073363 4146726 15627761 31255522 46883283 93766566 10800673810081 21601347620162 32402021430243 64804042860486