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13113312212 = 22711133275053
BaseRepresentation
bin11000011011001110…
…10100001111010100
31020211220000021121002
430031213110033110
5203324001442322
610005115442432
7642650212640
oct141547241724
936756007532
1013113312212
11561a139610
12265b756418
13130c9c6850
148c5823c20
1551b385c92
hex30d9d43d4

13113312212 has 48 divisors (see below), whose sum is σ = 30811708032. Its totient is φ = 4716074880.

The previous prime is 13113312197. The next prime is 13113312217. The reversal of 13113312212 is 21221331131.

It is a happy number.

13113312212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113312217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1633523 + ... + 1641530.

It is an arithmetic number, because the mean of its divisors is an integer number (641910584).

Almost surely, 213113312212 is an apocalyptic number.

It is an amenable number.

13113312212 is an abundant number, since it is smaller than the sum of its proper divisors (17698395820).

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

13113312212 is a wasteful number, since it uses less digits than its factorization.

13113312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275088 (or 3275086 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

Adding to 13113312212 its reverse (21221331131), we get a palindrome (34334643343).

The spelling of 13113312212 in words is "thirteen billion, one hundred thirteen million, three hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 286 308 364 572 1001 2002 4004 3275053 6550106 13100212 22925371 36025583 42575689 45850742 72051166 85151378 91701484 144102332 170302756 252179081 298029823 468332579 504358162 596059646 936665158 1008716324 1192119292 1873330316 3278328053 6556656106 13113312212