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1231140014 = 213318271847
BaseRepresentation
bin100100101100001…
…1011010010101110
310011210121101121022
41021120123102232
510010132440024
6322055334142
742336342326
oct11130332256
93153541538
101231140014
11581a45795
122a4381352
131680a8320
14b9718286
157313c35e
hex4961b4ae

1231140014 has 32 divisors (see below), whose sum is σ = 2056513536. Its totient is φ = 548926560.

The previous prime is 1231140007. The next prime is 1231140023. The reversal of 1231140014 is 4100411321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1231139974 and 1231140001.

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, 665639 + ... + 667485.

It is an arithmetic number, because the mean of its divisors is an integer number (64266048).

Almost surely, 21231140014 is an apocalyptic number.

1231140014 is a deficient number, since it is larger than the sum of its proper divisors (825373522).

1231140014 is a wasteful number, since it uses less digits than its factorization.

1231140014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1231140014 is about 35087.6048484361. The cubic root of 1231140014 is about 1071.7721859174.

Adding to 1231140014 its reverse (4100411321), we get a palindrome (5331551335).

It can be divided in two parts, 12311 and 40014, that added together give a palindrome (52325).

The spelling of 1231140014 in words is "one billion, two hundred thirty-one million, one hundred forty thousand, fourteen".

Divisors: 1 2 13 26 31 62 403 806 827 1654 1847 3694 10751 21502 24011 25637 48022 51274 57257 114514 333281 666562 744341 1488682 1527469 3054938 19857097 39714194 47351539 94703078 615570007 1231140014