| Base | Representation |
|---|---|
| bin | 1000001010010100111… |
| … | …1010111001011111000 |
| 3 | 111101220120011000211002 |
| 4 | 2002211033113023320 |
| 5 | 4244123033034430 |
| 6 | 144225005024132 |
| 7 | 13062364500446 |
| oct | 2024517271370 |
| 9 | 441816130732 |
| 10 | 140211221240 |
| 11 | 54510640852 |
| 12 | 23210555048 |
| 13 | 102b657798c |
| 14 | 6b016d1b96 |
| 15 | 39a9545845 |
| hex | 20a53d72f8 |
140211221240 has 64 divisors (see below), whose sum is σ = 333036835200. Its totient is φ = 52979453568.
The previous prime is 140211221207. The next prime is 140211221257. The reversal of 140211221240 is 42122112041.
140211221240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1402112212402 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114 + ... + 529553.
It is an arithmetic number, because the mean of its divisors is an integer number (5203700550).
Almost surely, 2140211221240 is an apocalyptic number.
140211221240 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 140211221240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166518417600).
140211221240 is an abundant number, since it is smaller than the sum of its proper divisors (192825613960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140211221240 is a wasteful number, since it uses less digits than its factorization.
140211221240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 532044 (or 532040 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 140211221240 its reverse (42122112041), we get a palindrome (182333333281).
The spelling of 140211221240 in words is "one hundred forty billion, two hundred eleven million, two hundred twenty-one thousand, two hundred forty".
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