Base | Representation |
---|---|
bin | 11111001001010011000… |
… | …110001000100110001100 |
3 | 21120121110100011000210220 |
4 | 133021103012020212030 |
5 | 240031302141033122 |
6 | 4315122404031340 |
7 | 310426220250054 |
oct | 37112306104614 |
9 | 7517410130726 |
10 | 2140287830412 |
11 | 7557667571a6 |
12 | 2a6976092550 |
13 | 126a9c952c04 |
14 | 7583a404564 |
15 | 3aa1910725c |
hex | 1f25318898c |
2140287830412 has 12 divisors (see below), whose sum is σ = 4994004937656. Its totient is φ = 713429276800.
The previous prime is 2140287830411. The next prime is 2140287830437. The reversal of 2140287830412 is 2140387820412.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (2140287830411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89178659589 + ... + 89178659612.
It is an arithmetic number, because the mean of its divisors is an integer number (416167078138).
Almost surely, 22140287830412 is an apocalyptic number.
It is an amenable number.
2140287830412 is an abundant number, since it is smaller than the sum of its proper divisors (2853717107244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2140287830412 is a wasteful number, since it uses less digits than its factorization.
2140287830412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178357319208 (or 178357319206 counting only the distinct ones).
The product of its (nonzero) digits is 172032, while the sum is 42.
The spelling of 2140287830412 in words is "two trillion, one hundred forty billion, two hundred eighty-seven million, eight hundred thirty thousand, four hundred twelve".
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