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61396368000 = 27353113312
BaseRepresentation
bin111001001011100000…
…100011101010000000
312212110211002122112120
4321023200203222000
52001214432234000
644112145124240
74302313342302
oct711340435200
9185424078476
1061396368000
1124046716000
12ba95629680
135a35b36746
142d860db972
1518e512b6a0
hexe4b823a80

61396368000 has 768 divisors, whose sum is σ = 231321018240. Its totient is φ = 14403840000.

The previous prime is 61396367957. The next prime is 61396368097. The reversal of 61396368000 is 86369316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1980527985 + ... + 1980528015.

Almost surely, 261396368000 is an apocalyptic number.

61396368000 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 61396368000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115660509120).

61396368000 is an abundant number, since it is smaller than the sum of its proper divisors (169924650240).

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

61396368000 is an equidigital number, since it uses as much as digits as its factorization.

61396368000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 61396368000 in words is "sixty-one billion, three hundred ninety-six million, three hundred sixty-eight thousand".