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6740740860 = 22357229173457
BaseRepresentation
bin1100100011100011…
…11000101011111100
3122101202220010002220
412101301320223330
5102301112201420
63032513245340
7326020231500
oct62161705374
918352803086
106740740860
112949a77417
121381563850
138356a0c79
1447d350300
15296ba6840
hex191c78afc

6740740860 has 288 divisors, whose sum is σ = 22893917760. Its totient is φ = 1475776512.

The previous prime is 6740740823. The next prime is 6740740879. The reversal of 6740740860 is 680470476.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 14749752 + ... + 14750208.

It is an arithmetic number, because the mean of its divisors is an integer number (79492770).

Almost surely, 26740740860 is an apocalyptic number.

6740740860 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 6740740860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11446958880).

6740740860 is an abundant number, since it is smaller than the sum of its proper divisors (16153176900).

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

6740740860 is a wasteful number, since it uses less digits than its factorization.

6740740860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 6740740860 is about 82102.0149570033. The cubic root of 6740740860 is about 1889.0170471727.

The spelling of 6740740860 in words is "six billion, seven hundred forty million, seven hundred forty thousand, eight hundred sixty".