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1301223112 = 237171366831
BaseRepresentation
bin100110110001111…
…0001011011001000
310100200110222112121
41031203301123020
510131103114422
6333041421024
744150133250
oct11543613310
93320428477
101301223112
11608563202
1230393a774
13179775907
14c4b5c960
15793828c7
hex4d8f16c8

1301223112 has 32 divisors (see below), whose sum is σ = 2952357120. Its totient is φ = 524862720.

The previous prime is 1301223101. The next prime is 1301223149. The reversal of 1301223112 is 2113221031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682464 + ... + 684367.

It is an arithmetic number, because the mean of its divisors is an integer number (92261160).

Almost surely, 21301223112 is an apocalyptic number.

It is an amenable number.

1301223112 is an abundant number, since it is smaller than the sum of its proper divisors (1651134008).

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

1301223112 is a wasteful number, since it uses less digits than its factorization.

1301223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366861 (or 1366857 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1301223112 is about 36072.4702785933. The cubic root of 1301223112 is about 1091.7350567285.

Adding to 1301223112 its reverse (2113221031), we get a palindrome (3414444143).

The spelling of 1301223112 in words is "one billion, three hundred one million, two hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 476 952 1366831 2733662 5467324 9567817 10934648 19135634 23236127 38271268 46472254 76542536 92944508 162652889 185889016 325305778 650611556 1301223112