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13120330211 = 26693491527
BaseRepresentation
bin11000011100000100…
…00101100111100011
31020212101012211110222
430032002011213203
5203332301031321
610005530113255
7643063652402
oct141602054743
936771184428
1013120330211
1156230a230a
122661b7b82b
1313112b3001
148c672d639
1551bcc03ab
hex30e0859e3

13120330211 has 4 divisors (see below), whose sum is σ = 13120848432. Its totient is φ = 13119811992.

The previous prime is 13120330199. The next prime is 13120330213. The reversal of 13120330211 is 11203302131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13120330211 - 218 = 13120068067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13120330211.

It is not an unprimeable number, because it can be changed into a prime (13120330213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219071 + ... + 272456.

It is an arithmetic number, because the mean of its divisors is an integer number (3280212108).

Almost surely, 213120330211 is an apocalyptic number.

13120330211 is a deficient number, since it is larger than the sum of its proper divisors (518221).

13120330211 is an equidigital number, since it uses as much as digits as its factorization.

13120330211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518220.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13120330211 its reverse (11203302131), we get a palindrome (24323632342).

The spelling of 13120330211 in words is "thirteen billion, one hundred twenty million, three hundred thirty thousand, two hundred eleven".

Divisors: 1 26693 491527 13120330211