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11275998728960 = 285721721913257
BaseRepresentation
bin1010010000010110010111…
…1001100001001100000000
31110220222022201221210211002
42210011211321201030000
52434221221133311320
635552042230111132
72242443521522600
oct244054571411400
943828281853732
1011275998728960
113658140355019
1213214451ab4a8
1363a4258ccc24
142ada92c2ac00
151484abbc5675
hexa4165e61300

11275998728960 has 648 divisors, whose sum is σ = 33561216186624. Its totient is φ = 3618479800320.

The previous prime is 11275998728957. The next prime is 11275998728971. The reversal of 11275998728960 is 6982789957211.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3462079652 + ... + 3462082908.

It is an arithmetic number, because the mean of its divisors is an integer number (51792000288).

Almost surely, 211275998728960 is an apocalyptic number.

11275998728960 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 11275998728960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16780608093312).

11275998728960 is an abundant number, since it is smaller than the sum of its proper divisors (22285217457664).

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

11275998728960 is a wasteful number, since it uses less digits than its factorization.

11275998728960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517 (or 3479 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 74.

The spelling of 11275998728960 in words is "eleven trillion, two hundred seventy-five billion, nine hundred ninety-eight million, seven hundred twenty-eight thousand, nine hundred sixty".