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220132231313 = 2918141937937
BaseRepresentation
bin1100110100000011100…
…1110100100010010001
3210001012101122000000012
43031000321310202101
512101312322400223
6245043301404305
721622040043641
oct3150071644221
9701171560005
10220132231313
11853a29a65a5
12367b5a09695
13179b2214097
14a923b88521
155ad5b0ec78
hex3340e74891

220132231313 has 8 divisors (see below), whose sum is σ = 228981141480. Its totient is φ = 211367197440.

The previous prime is 220132231247. The next prime is 220132231327. The reversal of 220132231313 is 313132231022.

It can be written as a sum of positive squares in 4 ways, for example, as 8796188944 + 211336042369 = 93788^2 + 459713^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 220132231313 - 232 = 215837264017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220132231213) 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, 20963720 + ... + 20974217.

It is an arithmetic number, because the mean of its divisors is an integer number (28622642685).

Almost surely, 2220132231313 is an apocalyptic number.

It is an amenable number.

220132231313 is a deficient number, since it is larger than the sum of its proper divisors (8848910167).

220132231313 is a wasteful number, since it uses less digits than its factorization.

220132231313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41938147.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 220132231313 its reverse (313132231022), we get a palindrome (533264462335).

The spelling of 220132231313 in words is "two hundred twenty billion, one hundred thirty-two million, two hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 29 181 5249 41937937 1216200173 7590766597 220132231313