Base | Representation |
---|---|
bin | 1000001010010111010… |
… | …1111011011111010100 |
3 | 111101221021011200100220 |
4 | 2002211311323133110 |
5 | 4244133130101122 |
6 | 144230005434340 |
7 | 13062546436251 |
oct | 2024565733724 |
9 | 441837150326 |
10 | 140221331412 |
11 | 54516316768 |
12 | 23213a0b9b0 |
13 | 102b86a7726 |
14 | 6b02ba4428 |
15 | 39aa39125c |
hex | 20a5d7b7d4 |
140221331412 has 24 divisors (see below), whose sum is σ = 327191221056. Its totient is φ = 46739284608.
The previous prime is 140221331357. The next prime is 140221331413. The reversal of 140221331412 is 214133122041.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140221331413) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460188 + ... + 701580.
It is an arithmetic number, because the mean of its divisors is an integer number (13632967544).
Almost surely, 2140221331412 is an apocalyptic number.
140221331412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
140221331412 is an abundant number, since it is smaller than the sum of its proper divisors (186969889644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140221331412 is a wasteful number, since it uses less digits than its factorization.
140221331412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 289807 (or 289805 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 140221331412 its reverse (214133122041), we get a palindrome (354354453453).
The spelling of 140221331412 in words is "one hundred forty billion, two hundred twenty-one million, three hundred thirty-one thousand, four hundred twelve".
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