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213302221330 = 25111726709727
BaseRepresentation
bin1100011010100111001…
…1011001101000010010
3202101120101202112200111
43012221303121220102
511443320332040310
6241553434511534
721260553652252
oct3065163315022
9671511675614
10213302221330
11825085a7a50
123540a5955aa
13171641b8a63
14a476a3b962
1558361c328a
hex31a9cd9a12

213302221330 has 48 divisors (see below), whose sum is σ = 444935483136. Its totient is φ = 73001818880.

The previous prime is 213302221309. The next prime is 213302221331. The reversal of 213302221330 is 33122203312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (213302221331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3323074 + ... + 3386653.

It is an arithmetic number, because the mean of its divisors is an integer number (9269489232).

Almost surely, 2213302221330 is an apocalyptic number.

213302221330 is an abundant number, since it is smaller than the sum of its proper divisors (231633261806).

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

213302221330 is a wasteful number, since it uses less digits than its factorization.

213302221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709779 (or 6709762 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213302221330 its reverse (33122203312), we get a palindrome (246424424642).

The spelling of 213302221330 in words is "two hundred thirteen billion, three hundred two million, two hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 289 374 578 935 1445 1870 2890 3179 6358 15895 31790 6709727 13419454 33548635 67097270 73806997 114065359 147613994 228130718 369034985 570326795 738069970 1140653590 1254718949 1939111103 2509437898 3878222206 6273594745 9695555515 12547189490 19391111030 21330222133 42660444266 106651110665 213302221330