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64438424774034 = 2310739737462339
BaseRepresentation
bin11101010011011001111010…
…11010110010010110010010
322110011020211121122100121020
432221230331122302112102
531421224343220232114
6345014334220540310
716400344144145043
oct1651547532622622
9273136747570536
1064438424774034
1119594200973573
1272887220b1696
1329c56958c712c
1411cab9d1208ca
1576b2d09d4aa9
hex3a9b3d6b2592

64438424774034 has 8 divisors (see below), whose sum is σ = 128876849548080. Its totient is φ = 21479474924676.

The previous prime is 64438424774033. The next prime is 64438424774057. The reversal of 64438424774034 is 43047742483446.

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

64438424774034 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (64438424774033) 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, 5369868731164 + ... + 5369868731175.

It is an arithmetic number, because the mean of its divisors is an integer number (16109606193510).

Almost surely, 264438424774034 is an apocalyptic number.

64438424774034 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.

64438424774034 is a wasteful number, since it uses less digits than its factorization.

64438424774034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10739737462344.

The product of its (nonzero) digits is 173408256, while the sum is 60.

The spelling of 64438424774034 in words is "sixty-four trillion, four hundred thirty-eight billion, four hundred twenty-four million, seven hundred seventy-four thousand, thirty-four".

Divisors: 1 2 3 6 10739737462339 21479474924678 32219212387017 64438424774034