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213240213032 = 23711346169177
BaseRepresentation
bin1100011010011000011…
…0110110111000101000
3202101102002002012021212
43012212012312320220
511443203443304112
6241543341452252
721256201622120
oct3064606667050
9671362065255
10213240213032
11824865a5220
12353b1871088
13171543b7962
14a46c6d9c80
155830a25522
hex31a61b6e28

213240213032 has 32 divisors (see below), whose sum is σ = 498483616320. Its totient is φ = 83080602240.

The previous prime is 213240212891. The next prime is 213240213047. The reversal of 213240213032 is 230312042312.

It is a junction number, because it is equal to n+sod(n) for n = 213240212989 and 213240213007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173083973 + ... + 173085204.

It is an arithmetic number, because the mean of its divisors is an integer number (15577613010).

Almost surely, 2213240213032 is an apocalyptic number.

213240213032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213240213032 is an abundant number, since it is smaller than the sum of its proper divisors (285243403288).

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

213240213032 is a wasteful number, since it uses less digits than its factorization.

213240213032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346169201 (or 346169197 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213240213032 its reverse (230312042312), we get a palindrome (443552255344).

The spelling of 213240213032 in words is "two hundred thirteen billion, two hundred forty million, two hundred thirteen thousand, thirty-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 346169177 692338354 1384676708 2423184239 2769353416 3807860947 4846368478 7615721894 9692736956 15231443788 19385473912 26655026629 30462887576 53310053258 106620106516 213240213032