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64368060240 = 243511231127563
BaseRepresentation
bin111011111100101000…
…101010011101010000
320011010220212020221010
4323330220222131100
52023311210411430
645323102530520
74436046325131
oct737450523520
9204126766833
1064368060240
1125331101400
1210584896a40
1360ba6b9313
143188a55c88
151a1ae7ccb0
hexefca2a750

64368060240 has 480 divisors, whose sum is σ = 228593369088. Its totient is φ = 14955494400.

The previous prime is 64368060193. The next prime is 64368060269. The reversal of 64368060240 is 4206086346.

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 95 ways as a sum of consecutive naturals, for example, 114330199 + ... + 114330761.

Almost surely, 264368060240 is an apocalyptic number.

64368060240 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 64368060240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114296684544).

64368060240 is an abundant number, since it is smaller than the sum of its proper divisors (164225308848).

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

64368060240 is a wasteful number, since it uses less digits than its factorization.

64368060240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 64368060240 in words is "sixty-four billion, three hundred sixty-eight million, sixty thousand, two hundred forty".