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1320210213 = 37473074357
BaseRepresentation
bin100111010110000…
…1100111100100101
310102000012121221120
41032230030330211
510200433211323
6335000404153
744500413240
oct11654147445
93360177846
101320210213
11618251523
1230a176659
13180692c9a
14c74a2257
157ad835e3
hex4eb0cf25

1320210213 has 32 divisors (see below), whose sum is σ = 2061717504. Its totient is φ = 735780672.

The previous prime is 1320210211. The next prime is 1320210223. The reversal of 1320210213 is 3120120231.

Adding to 1320210213 its reverse (3120120231), we get a palindrome (4440330444).

It is not a de Polignac number, because 1320210213 - 21 = 1320210211 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1320210192 and 1320210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320210211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300831 + ... + 305187.

It is an arithmetic number, because the mean of its divisors is an integer number (64428672).

Almost surely, 21320210213 is an apocalyptic number.

It is an amenable number.

1320210213 is a deficient number, since it is larger than the sum of its proper divisors (741507291).

1320210213 is a wasteful number, since it uses less digits than its factorization.

1320210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1320210213 is about 36334.6970952009. The cubic root of 1320210213 is about 1097.0195385896.

The spelling of 1320210213 in words is "one billion, three hundred twenty million, two hundred ten thousand, two hundred thirteen".

Divisors: 1 3 7 21 47 141 307 329 921 987 2149 4357 6447 13071 14429 30499 43287 91497 101003 204779 303009 614337 1337599 1433453 4012797 4300359 9363193 28089579 62867153 188601459 440070071 1320210213