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13113012222 = 2321950517591
BaseRepresentation
bin11000011011001100…
…01010111111111110
31020211212110001002100
430031212022333332
5203323412342342
610005105205530
7642644523222
oct141546127776
936755401070
1013113012222
115619a54192
12265b6308a6
13130c92013b
148c5786782
1551b326e4c
hex30d98affe

13113012222 has 48 divisors (see below), whose sum is σ = 29916731520. Its totient is φ = 4139586000.

The previous prime is 13113012167. The next prime is 13113012233. The reversal of 13113012222 is 22221031131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13113012195 and 13113012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1723647 + ... + 1731237.

It is an arithmetic number, because the mean of its divisors is an integer number (623265240).

Almost surely, 213113012222 is an apocalyptic number.

13113012222 is an abundant number, since it is smaller than the sum of its proper divisors (16803719298).

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

13113012222 is a wasteful number, since it uses less digits than its factorization.

13113012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12669 (or 12666 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13113012222 its reverse (22221031131), we get a palindrome (35334043353).

The spelling of 13113012222 in words is "thirteen billion, one hundred thirteen million, twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 5051 7591 10102 15153 15182 22773 30306 45459 45546 68319 90918 95969 136638 144229 191938 287907 288458 432687 575814 863721 865374 1298061 1727442 2596122 38342141 76684282 115026423 230052846 345079269 690158538 728500679 1457001358 2185502037 4371004074 6556506111 13113012222