Base | Representation |
---|---|
bin | 11011010000010000100… |
… | …111000000001100011000 |
3 | 20122001020112102100112222 |
4 | 123100100213000030120 |
5 | 221141131401312140 |
6 | 3552220300323212 |
7 | 252211551511601 |
oct | 33202047001430 |
9 | 6561215370488 |
10 | 1872884400920 |
11 | 662316466875 |
12 | 262b89243508 |
13 | 1077c612b360 |
14 | 669104d8da8 |
15 | 33ab84c65b5 |
hex | 1b4109c0318 |
1872884400920 has 128 divisors (see below), whose sum is σ = 4600437811200. Its totient is φ = 682052507136.
The previous prime is 1872884400913. The next prime is 1872884400943. The reversal of 1872884400920 is 290044882781.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39700787 + ... + 39747933.
It is an arithmetic number, because the mean of its divisors is an integer number (35940920400).
Almost surely, 21872884400920 is an apocalyptic number.
1872884400920 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 1872884400920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2300218905600).
1872884400920 is an abundant number, since it is smaller than the sum of its proper divisors (2727553410280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1872884400920 is a wasteful number, since it uses less digits than its factorization.
1872884400920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48217 (or 48213 counting only the distinct ones).
The product of its (nonzero) digits is 2064384, while the sum is 53.
The spelling of 1872884400920 in words is "one trillion, eight hundred seventy-two billion, eight hundred eighty-four million, four hundred thousand, nine hundred twenty".
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