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215032230000 = 2432547341321
BaseRepresentation
bin1100100001000011101…
…0110111000001110000
3202120000222002002102200
43020100322313001300
512010341222330000
6242441234543200
721351461540310
oct3102072670160
9676028062380
10215032230000
11832160a7085
1235811a37b00
131737b741223
14a59c6d5440
1558d8003500
hex3210eb7070

215032230000 has 300 divisors, whose sum is σ = 859429681968. Its totient is φ = 49150080000.

The previous prime is 215032229999. The next prime is 215032230001. The reversal of 215032230000 is 32230512.

It is an interprime number because it is at equal distance from previous prime (215032229999) and next prime (215032230001).

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215032230001) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 459340 + ... + 800660.

Almost surely, 2215032230000 is an apocalyptic number.

215032230000 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 215032230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429714840984).

215032230000 is an abundant number, since it is smaller than the sum of its proper divisors (644397451968).

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

215032230000 is a wasteful number, since it uses less digits than its factorization.

215032230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341362 (or 341338 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 215032230000 its reverse (32230512), we get a palindrome (215064460512).

The spelling of 215032230000 in words is "two hundred fifteen billion, thirty-two million, two hundred thirty thousand".