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2115328545792 = 210397112947
BaseRepresentation
bin11110110010000011011…
…010000001010000000000
321111020000212212000000000
4132302003122001100000
5234124143101431132
64255434000000000
7305553545653320
oct36620332012000
97436025760000
102115328545792
117461188aa250
122a1b6b300000
131246229a3a47
147454d619280
153a057cc887c
hex1ec83681400

2115328545792 has 1760 divisors, whose sum is σ = 8354621214720. Its totient is φ = 519202897920.

The previous prime is 2115328545779. The next prime is 2115328545809. The reversal of 2115328545792 is 2975458235112.

2115328545792 is a `hidden beast` number, since 2 + 1 + 1 + 5 + 3 + 2 + 8 + 545 + 7 + 92 = 666.

It is a super-2 number, since 2×21153285457922 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 45006990313 + ... + 45006990359.

It is an arithmetic number, because the mean of its divisors is an integer number (4746943872).

Almost surely, 22115328545792 is an apocalyptic number.

2115328545792 is a gapful number since it is divisible by the number (22) 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 2115328545792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4177310607360).

2115328545792 is an abundant number, since it is smaller than the sum of its proper divisors (6239292668928).

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

2115328545792 is an frugal number, since it uses more digits than its factorization.

2115328545792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 99 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The spelling of 2115328545792 in words is "two trillion, one hundred fifteen billion, three hundred twenty-eight million, five hundred forty-five thousand, seven hundred ninety-two".