Base | Representation |
---|---|
bin | 100100001110111111000… |
… | …010010001001001000100 |
3 | 22211001002202120010101001 |
4 | 210032333002101021010 |
5 | 311244000210412030 |
6 | 5143515222543044 |
7 | 344616205123645 |
oct | 44167702211104 |
9 | 8731082503331 |
10 | 2489991107140 |
11 | 87aaaa07a9a9 |
12 | 3426b0b97a84 |
13 | 150a60c00024 |
14 | 887326b76cc |
15 | 44b85097cca |
hex | 243bf091244 |
2489991107140 has 48 divisors (see below), whose sum is σ = 5282376628032. Its totient is φ = 985876639616.
The previous prime is 2489991107117. The next prime is 2489991107141. The reversal of 2489991107140 is 417011999842.
It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (2489991107141) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 799714 + ... + 2370553.
It is an arithmetic number, because the mean of its divisors is an integer number (110049513084).
Almost surely, 22489991107140 is an apocalyptic number.
2489991107140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2489991107140 is an abundant number, since it is smaller than the sum of its proper divisors (2792385520892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2489991107140 is a wasteful number, since it uses less digits than its factorization.
2489991107140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3170676 (or 3170674 counting only the distinct ones).
The product of its (nonzero) digits is 1306368, while the sum is 55.
The spelling of 2489991107140 in words is "two trillion, four hundred eighty-nine billion, nine hundred ninety-one million, one hundred seven thousand, one hundred forty".
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