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11397246720 = 283531671429
BaseRepresentation
bin10101001110101010…
…00010111100000000
31002102021221010021220
422213111002330000
5141320143343340
65122534315040
7552301666356
oct124725027400
932367833256
1011397246720
1149194a3172
122260ab8a80
1310c8313992
147a19597d6
1546a8abed0
hex2a7542f00

11397246720 has 288 divisors, whose sum is σ = 38161643520. Its totient is φ = 2895298560.

The previous prime is 11397246713. The next prime is 11397246779. The reversal of 11397246720 is 2764279311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7974966 + ... + 7976394.

Almost surely, 211397246720 is an apocalyptic number.

11397246720 is a gapful number since it is divisible by the number (10) 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 11397246720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19080821760).

11397246720 is an abundant number, since it is smaller than the sum of its proper divisors (26764396800).

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

11397246720 is a wasteful number, since it uses less digits than its factorization.

11397246720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 11397246720 in words is "eleven billion, three hundred ninety-seven million, two hundred forty-six thousand, seven hundred twenty".