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1201081112 = 237113162897
BaseRepresentation
bin100011110010111…
…0000101100011000
310002201001020112122
41013211300230120
54424434043422
6315103200412
741523010130
oct10745605430
93081036478
101201081112
11566a85020
122962a6108
13161ab25aa
14b5731ac0
15706a0d42
hex47970b18

1201081112 has 64 divisors (see below), whose sum is σ = 2898339840. Its totient is φ = 452851200.

The previous prime is 1201081111. The next prime is 1201081169. The reversal of 1201081112 is 2111801021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201081111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12353 + ... + 50544.

It is an arithmetic number, because the mean of its divisors is an integer number (45286560).

Almost surely, 21201081112 is an apocalyptic number.

It is an amenable number.

1201081112 is an abundant number, since it is smaller than the sum of its proper divisors (1697258728).

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

1201081112 is a wasteful number, since it uses less digits than its factorization.

1201081112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62952 (or 62948 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 1201081112 is about 34656.6171459362. The cubic root of 1201081112 is about 1062.9775992084.

Adding to 1201081112 its reverse (2111801021), we get a palindrome (3312882133).

The spelling of 1201081112 in words is "one billion, two hundred one million, eighty-one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 11 14 22 28 31 44 56 62 77 88 124 154 217 248 308 341 434 616 682 868 1364 1736 2387 2728 4774 9548 19096 62897 125794 251588 440279 503176 691867 880558 1383734 1761116 1949807 2767468 3522232 3899614 4843069 5534936 7799228 9686138 13648649 15598456 19372276 21447877 27297298 38744552 42895754 54594596 85791508 109189192 150135139 171583016 300270278 600540556 1201081112