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12114243140 = 2251973074681
BaseRepresentation
bin10110100100001000…
…01010111001000100
31011021021002022110212
423102010022321010
5144302221240030
65322030134552
7606126240056
oct132204127104
934237068425
1012114243140
1151571a119a
122421051458
1311b0a2430c
1482cc798d6
154ad7da595
hex2d210ae44

12114243140 has 24 divisors (see below), whose sum is σ = 25569055512. Its totient is φ = 4821098240.

The previous prime is 12114243139. The next prime is 12114243151. The reversal of 12114243140 is 4134241121.

It can be written as a sum of positive squares in 4 ways, for example, as 6718753024 + 5395490116 = 81968^2 + 73454^2 .

It is a super-3 number, since 3×121142431403 (a number of 31 digits) contains 333 as substring.

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, 1533401 + ... + 1541280.

It is an arithmetic number, because the mean of its divisors is an integer number (1065377313).

Almost surely, 212114243140 is an apocalyptic number.

12114243140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12114243140 is an abundant number, since it is smaller than the sum of its proper divisors (13454812372).

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

12114243140 is a wasteful number, since it uses less digits than its factorization.

12114243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074887 (or 3074885 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12114243140 its reverse (4134241121), we get a palindrome (16248484261).

The spelling of 12114243140 in words is "twelve billion, one hundred fourteen million, two hundred forty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 197 394 788 985 1970 3940 3074681 6149362 12298724 15373405 30746810 61493620 605712157 1211424314 2422848628 3028560785 6057121570 12114243140