Base | Representation |
---|---|
bin | 1000110111111000… |
… | …1110000000010100 |
3 | 20010222221221110010 |
4 | 2031332032000110 |
5 | 14334231211443 |
6 | 1032204200220 |
7 | 113011540206 |
oct | 21576160024 |
9 | 6128857403 |
10 | 2381897748 |
11 | 101257903a |
12 | 565839070 |
13 | 2bc61b269 |
14 | 1884aa776 |
15 | de19c733 |
hex | 8df8e014 |
2381897748 has 24 divisors (see below), whose sum is σ = 5559164352. Its totient is φ = 793765504.
The previous prime is 2381897723. The next prime is 2381897767. The reversal of 2381897748 is 8477981832.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29161 + ... + 74927.
It is an arithmetic number, because the mean of its divisors is an integer number (231631848).
Almost surely, 22381897748 is an apocalyptic number.
It is an amenable number.
2381897748 is an abundant number, since it is smaller than the sum of its proper divisors (3177266604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2381897748 is a wasteful number, since it uses less digits than its factorization.
2381897748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50111 (or 50109 counting only the distinct ones).
The product of its digits is 5419008, while the sum is 57.
The square root of 2381897748 is about 48804.6898156314. The cubic root of 2381897748 is about 1335.4912223910.
The spelling of 2381897748 in words is "two billion, three hundred eighty-one million, eight hundred ninety-seven thousand, seven hundred forty-eight".
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