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13122322112 = 26238914621
BaseRepresentation
bin11000011100010011…
…01011111011000000
31020212111222000212002
430032021223323000
5203333303301422
610010040523132
7643116616604
oct141611537300
936774860762
1013122322112
115624232909
1226627804a8
13131182c853
148c6acb504
1551c065692
hex30e26bec0

13122322112 has 28 divisors (see below), whose sum is σ = 27171767856. Its totient is φ = 6275892480.

The previous prime is 13122322091. The next prime is 13122322123. The reversal of 13122322112 is 21122322131.

It is a super-2 number, since 2×131223221122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4455839 + ... + 4458782.

Almost surely, 213122322112 is an apocalyptic number.

It is an amenable number.

13122322112 is an abundant number, since it is smaller than the sum of its proper divisors (14049445744).

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

13122322112 is an equidigital number, since it uses as much as digits as its factorization.

13122322112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8914656 (or 8914646 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 13122322112 its reverse (21122322131), we get a palindrome (34244644243).

The spelling of 13122322112 in words is "thirteen billion, one hundred twenty-two million, three hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 368 736 1472 8914621 17829242 35658484 71316968 142633936 205036283 285267872 410072566 570535744 820145132 1640290264 3280580528 6561161056 13122322112