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213130133209 = 751195947873
BaseRepresentation
bin1100011001111110001…
…0111011111011011001
3202101010101221120011101
43012133202323323121
511442442303230314
6241524410231401
721253364145520
oct3063742737331
9671111846141
10213130133209
118242a449664
1235380a25561
1317137655176
14a45bc434b7
15582602e174
hex319f8bbed9

213130133209 has 8 divisors (see below), whose sum is σ = 243624919040. Its totient is φ = 182647253376.

The previous prime is 213130133179. The next prime is 213130133219. The reversal of 213130133209 is 902331031312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213130133209 - 223 = 213121744601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213130133219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2938104 + ... + 3009769.

It is an arithmetic number, because the mean of its divisors is an integer number (30453114880).

Almost surely, 2213130133209 is an apocalyptic number.

It is an amenable number.

213130133209 is a deficient number, since it is larger than the sum of its proper divisors (30494785831).

213130133209 is an equidigital number, since it uses as much as digits as its factorization.

213130133209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952999.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 213130133209 in words is "two hundred thirteen billion, one hundred thirty million, one hundred thirty-three thousand, two hundred nine".

Divisors: 1 7 5119 35833 5947873 41635111 30447161887 213130133209