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120440140230 = 2354014671341
BaseRepresentation
bin111000000101011001…
…0101011000111000110
3102111212200101001101110
41300022302223013012
53433130133441410
6131155054105450
711462422205034
oct1601262530706
9374780331343
10120440140230
1147095356a83
121b4131ab286
13b485441287
145b87999554
1531ed947720
hex1c0acab1c6

120440140230 has 16 divisors (see below), whose sum is σ = 289056336624. Its totient is φ = 32117370720.

The previous prime is 120440140229. The next prime is 120440140243. The reversal of 120440140230 is 32041044021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120440140197 and 120440140206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2007335641 + ... + 2007335700.

It is an arithmetic number, because the mean of its divisors is an integer number (18066021039).

Almost surely, 2120440140230 is an apocalyptic number.

120440140230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120440140230 is an abundant number, since it is smaller than the sum of its proper divisors (168616196394).

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

120440140230 is a wasteful number, since it uses less digits than its factorization.

120440140230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014671351.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 120440140230 its reverse (32041044021), we get a palindrome (152481184251).

The spelling of 120440140230 in words is "one hundred twenty billion, four hundred forty million, one hundred forty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4014671341 8029342682 12044014023 20073356705 24088028046 40146713410 60220070115 120440140230