Base | Representation |
---|---|
bin | 11100001110111111100… |
… | …011101010100010110000 |
3 | 20212111002221110222012110 |
4 | 130032333203222202300 |
5 | 223242104434014143 |
6 | 4043200311325320 |
7 | 260115025202505 |
oct | 34167743524260 |
9 | 6774087428173 |
10 | 1940244048048 |
11 | 688942201729 |
12 | 274047980840 |
13 | 110c6c544717 |
14 | 69ca05a74ac |
15 | 3570bdd5533 |
hex | 1c3bf8ea8b0 |
1940244048048 has 80 divisors (see below), whose sum is σ = 5278633078400. Its totient is φ = 612414743040.
The previous prime is 1940244048047. The next prime is 1940244048073. The reversal of 1940244048048 is 8408404420491.
It is a super-2 number, since 2×19402440480482 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 1940244047988 and 1940244048006.
It is not an unprimeable number, because it can be changed into a prime (1940244048047) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1395963 + ... + 2414373.
It is an arithmetic number, because the mean of its divisors is an integer number (65982913480).
Almost surely, 21940244048048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1940244048048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2639316539200).
1940244048048 is an abundant number, since it is smaller than the sum of its proper divisors (3338389030352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1940244048048 is a wasteful number, since it uses less digits than its factorization.
1940244048048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1020530 (or 1020524 counting only the distinct ones).
The product of its (nonzero) digits is 1179648, while the sum is 48.
The spelling of 1940244048048 in words is "one trillion, nine hundred forty billion, two hundred forty-four million, forty-eight thousand, forty-eight".
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