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1201112340 = 2235193103723
BaseRepresentation
bin100011110010111…
…1000010100010100
310002201002211101020
41013211320110110
54424441043330
6315104001140
741523200151
oct10745702424
93081084336
101201112340
11566aa652a
122963001b0
13161ac387c
14b573d228
15706aa210
hex47978514

1201112340 has 48 divisors (see below), whose sum is σ = 3380572608. Its totient is φ = 318633984.

The previous prime is 1201112333. The next prime is 1201112357. The reversal of 1201112340 is 432111021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40282 + ... + 63441.

It is an arithmetic number, because the mean of its divisors is an integer number (70428596).

Almost surely, 21201112340 is an apocalyptic number.

1201112340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201112340 is an abundant number, since it is smaller than the sum of its proper divisors (2179460268).

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

1201112340 is a wasteful number, since it uses less digits than its factorization.

1201112340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103928 (or 103926 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1201112340 is about 34657.0676774594. The cubic root of 1201112340 is about 1062.9868115690.

Adding to 1201112340 its reverse (432111021), we get a palindrome (1633223361).

The spelling of 1201112340 in words is "one billion, two hundred one million, one hundred twelve thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 193 386 579 772 965 1158 1930 2316 2895 3860 5790 11580 103723 207446 311169 414892 518615 622338 1037230 1244676 1555845 2074460 3111690 6223380 20018539 40037078 60055617 80074156 100092695 120111234 200185390 240222468 300278085 400370780 600556170 1201112340