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64006000140 = 223553591133019
BaseRepresentation
bin111011100111000011…
…100000111000001100
320010012200120200211210
4323213003200320030
52022041014001030
645223130414420
74424062011255
oct734703407014
9203180520753
1064006000140
112516579a285
12104a3591410
13606069c984
143152929b2c
1519e92b0bb0
hexee70e0e0c

64006000140 has 192 divisors, whose sum is σ = 187398489600. Its totient is φ = 16311300096.

The previous prime is 64006000139. The next prime is 64006000159. The reversal of 64006000140 is 4100060046.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21199551 + ... + 21202569.

It is an arithmetic number, because the mean of its divisors is an integer number (976033800).

Almost surely, 264006000140 is an apocalyptic number.

64006000140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64006000140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93699244800).

64006000140 is an abundant number, since it is smaller than the sum of its proper divisors (123392489460).

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

64006000140 is a wasteful number, since it uses less digits than its factorization.

64006000140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256 (or 3254 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 64006000140 its reverse (4100060046), we get a palindrome (68106060186).

The spelling of 64006000140 in words is "sixty-four billion, six million, one hundred forty", and thus it is an aban number.