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215959468230 = 2325115917872069
BaseRepresentation
bin1100100100100000101…
…1111111100011000110
3202122102120211200011100
43021020023333203012
512014241110440410
6243113240520530
721413451122622
oct3111013774306
9678376750140
10215959468230
1183651542970
1235a30480146
13174988837bc
14a649902182
15593e6108c0
hex32482ff8c6

215959468230 has 192 divisors, whose sum is σ = 623571436800. Its totient is φ = 51412796160.

The previous prime is 215959468201. The next prime is 215959468237. The reversal of 215959468230 is 32864959512.

215959468230 is a `hidden beast` number, since 2 + 1 + 595 + 9 + 46 + 8 + 2 + 3 + 0 = 666.

215959468230 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215959468237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 104377636 + ... + 104379704.

It is an arithmetic number, because the mean of its divisors is an integer number (3247767900).

Almost surely, 2215959468230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215959468230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311785718400).

215959468230 is an abundant number, since it is smaller than the sum of its proper divisors (407611968570).

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

215959468230 is a wasteful number, since it uses less digits than its factorization.

215959468230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939 (or 3936 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 215959468230 in words is "two hundred fifteen billion, nine hundred fifty-nine million, four hundred sixty-eight thousand, two hundred thirty".