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213320101143 = 3377572538709
BaseRepresentation
bin1100011010101011011…
…1100110110100010111
3202101121122101221011210
43012222313212310113
511443334421214033
6241555314032503
721261161641062
oct3065267466427
9671548357153
10213320101143
11825176aa356
1235414578733
1317167b09126
14a4791738d9
155837a55d63
hex31aade6d17

213320101143 has 16 divisors (see below), whose sum is σ = 292500011360. Its totient is φ = 138186953856.

The previous prime is 213320101103. The next prime is 213320101213. The reversal of 213320101143 is 341101023312.

It is not a de Polignac number, because 213320101143 - 221 = 213318003991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213320101103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1185328 + ... + 1353381.

It is an arithmetic number, because the mean of its divisors is an integer number (18281250710).

Almost surely, 2213320101143 is an apocalyptic number.

213320101143 is a deficient number, since it is larger than the sum of its proper divisors (79179910217).

213320101143 is a wasteful number, since it uses less digits than its factorization.

213320101143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539506.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213320101143 its reverse (341101023312), we get a palindrome (554421124455).

The spelling of 213320101143 in words is "two hundred thirteen billion, three hundred twenty million, one hundred one thousand, one hundred forty-three".

Divisors: 1 3 37 111 757 2271 28009 84027 2538709 7616127 93932233 281796699 1921802713 5765408139 71106700381 213320101143