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215355483050960 = 245731199413315083
BaseRepresentation
bin110000111101110101011011…
…000100010101001111010000
31001020111210010220001111002102
4300331311123010111033100
5211211341012130112320
62042004535414335532
763234630425552660
oct6075653304251720
91036453126044072
10215355483050960
116268982497054a
12201a140365a5a8
139321c20008115
143b273922521a0
1519d6d54cca175
hexc3dd5b1153d0

215355483050960 has 320 divisors, whose sum is σ = 593840620339200. Its totient is φ = 71073372395520.

The previous prime is 215355483050959. The next prime is 215355483050999. The reversal of 215355483050960 is 69050384553512.

It is a happy number.

215355483050960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2153554830509602 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 215355483050896 and 215355483050905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14278019579 + ... + 14278034661.

It is an arithmetic number, because the mean of its divisors is an integer number (1855751938560).

Almost surely, 2215355483050960 is an apocalyptic number.

215355483050960 is a gapful number since it is divisible by the number (20) 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 215355483050960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296920310169600).

215355483050960 is an abundant number, since it is smaller than the sum of its proper divisors (378485137288240).

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

215355483050960 is a wasteful number, since it uses less digits than its factorization.

215355483050960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19466 (or 19460 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 56.

The spelling of 215355483050960 in words is "two hundred fifteen trillion, three hundred fifty-five billion, four hundred eighty-three million, fifty thousand, nine hundred sixty".