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115163892480 = 2835721323289
BaseRepresentation
bin110101101000001001…
…1011000101100000000
3102000020222011220011010
41223100103120230000
53341323424024410
6124523333520520
711214603635400
oct1532023305400
9360228156133
10115163892480
1144928018a4a
121a3a01a3140
13ab242acba0
145806d48800
152ee0624c20
hex1ad04d8b00

115163892480 has 1296 divisors, whose sum is σ = 487082665440. Its totient is φ = 22980722688.

The previous prime is 115163892449. The next prime is 115163892509. The reversal of 115163892480 is 84298361511.

It is a happy number.

It is a super-2 number, since 2×1151638924802 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1293976276 + ... + 1293976364.

It is an arithmetic number, because the mean of its divisors is an integer number (375835390).

Almost surely, 2115163892480 is an apocalyptic number.

115163892480 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 115163892480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243541332720).

115163892480 is an abundant number, since it is smaller than the sum of its proper divisors (371918772960).

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

115163892480 is a wasteful number, since it uses less digits than its factorization.

115163892480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 115163892480 in words is "one hundred fifteen billion, one hundred sixty-three million, eight hundred ninety-two thousand, four hundred eighty".