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13023220112 = 247432704157
BaseRepresentation
bin11000010000011111…
…01001000110010000
31020121121111010110122
430020033221012100
5203132421020422
65552140445412
7640504354520
oct141017510620
936547433418
1013023220112
1155832a5031
122635549868
1312c7141a06
148b7891680
155134dbd42
hex3083e9190

13023220112 has 40 divisors (see below), whose sum is σ = 29507772096. Its totient is φ = 5451578496.

The previous prime is 13023220079. The next prime is 13023220121. The reversal of 13023220112 is 21102232031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347263 + ... + 1356894.

Almost surely, 213023220112 is an apocalyptic number.

It is an amenable number.

13023220112 is an abundant number, since it is smaller than the sum of its proper divisors (16484551984).

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

13023220112 is a wasteful number, since it uses less digits than its factorization.

13023220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704215 (or 2704209 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13023220112 its reverse (21102232031), we get a palindrome (34125452143).

The spelling of 13023220112 in words is "thirteen billion, twenty-three million, two hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 43 56 86 112 172 301 344 602 688 1204 2408 4816 2704157 5408314 10816628 18929099 21633256 37858198 43266512 75716396 116278751 151432792 232557502 302865584 465115004 813951257 930230008 1627902514 1860460016 3255805028 6511610056 13023220112