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213243331110000 = 2435410180986993
BaseRepresentation
bin110000011111000110010101…
…000000000110010001110000
31000222000212022101112201201020
4300133012111000012101300
5210422234320231010000
62033310344532135440
762626215351360042
oct6037062500062160
91028025271481636
10213243331110000
1161a44a97195554
121babbba0167580
1391ca9b54a1309
143a93064891a92
15199be35d2cba0
hexc1f195006470

213243331110000 has 400 divisors, whose sum is σ = 696060853852320. Its totient is φ = 56231628800000.

The previous prime is 213243331109989. The next prime is 213243331110001. The reversal of 213243331110000 is 11133342312.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213243331110001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2451226504 + ... + 2451313496.

Almost surely, 2213243331110000 is an apocalyptic number.

213243331110000 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 213243331110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348030426926160).

213243331110000 is an abundant number, since it is smaller than the sum of its proper divisors (482817522742320).

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

213243331110000 is a wasteful number, since it uses less digits than its factorization.

213243331110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87934 (or 87913 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 213243331110000 its reverse (11133342312), we get a palindrome (213254464452312).

The spelling of 213243331110000 in words is "two hundred thirteen trillion, two hundred forty-three billion, three hundred thirty-one million, one hundred ten thousand".