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1112211340 = 225433473727
BaseRepresentation
bin100001001001010…
…1111111110001100
32212111211012010121
41002102233332030
54234211230330
6302210314324
736363432442
oct10222577614
92774735117
101112211340
115208a5929
122705889a4
13149567c26
14a79dab92
156799917a
hex424aff8c

1112211340 has 48 divisors (see below), whose sum is σ = 2397491712. Its totient is φ = 433169856.

The previous prime is 1112211313. The next prime is 1112211343. The reversal of 1112211340 is 431122111.

It is not an unprimeable number, because it can be changed into a prime (1112211343) 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, 296557 + ... + 300283.

It is an arithmetic number, because the mean of its divisors is an integer number (49947744).

Almost surely, 21112211340 is an apocalyptic number.

1112211340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112211340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1198745856).

1112211340 is an abundant number, since it is smaller than the sum of its proper divisors (1285280372).

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

1112211340 is a wasteful number, since it uses less digits than its factorization.

1112211340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126 (or 4124 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1112211340 is about 33349.8326832385. The cubic root of 1112211340 is about 1036.0859225706.

Adding to 1112211340 its reverse (431122111), we get a palindrome (1543333451).

The spelling of 1112211340 in words is "one billion, one hundred twelve million, two hundred eleven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 347 430 694 860 1388 1735 3470 3727 6940 7454 14908 14921 18635 29842 37270 59684 74540 74605 149210 160261 298420 320522 641044 801305 1293269 1602610 2586538 3205220 5173076 6466345 12932690 25865380 55610567 111221134 222442268 278052835 556105670 1112211340