Base | Representation |
---|---|
bin | 10100011111110000111110… |
… | …110001000001101000101000 |
3 | 102211011122222021021222212010 |
4 | 110133300332301001220220 |
5 | 43303404024110210332 |
6 | 515415300253515520 |
7 | 24662451026020134 |
oct | 2437607661015050 |
9 | 384148867258763 |
10 | 90143826647592 |
11 | 267a4867109273 |
12 | a13a5891a2ba0 |
13 | 3b3b6ac5b6c33 |
14 | 1838dad61c3c4 |
15 | a64cab4ce9cc |
hex | 51fc3ec41a28 |
90143826647592 has 16 divisors (see below), whose sum is σ = 225359566619040. Its totient is φ = 30047942215856.
The previous prime is 90143826647519. The next prime is 90143826647593. The reversal of 90143826647592 is 29574662834109.
It is a super-2 number, since 2×901438266475922 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (90143826647593) 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, 1877996388468 + ... + 1877996388515.
It is an arithmetic number, because the mean of its divisors is an integer number (14084972913690).
It is a 2-persistent number, because it is pandigital, and so is 2⋅90143826647592 = 180287653295184, but 3⋅90143826647592 = 270431479942776 is not.
Almost surely, 290143826647592 is an apocalyptic number.
It is an amenable number.
90143826647592 is an abundant number, since it is smaller than the sum of its proper divisors (135215739971448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90143826647592 is a wasteful number, since it uses less digits than its factorization.
90143826647592 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3755992776992 (or 3755992776988 counting only the distinct ones).
The product of its (nonzero) digits is 156764160, while the sum is 66.
The spelling of 90143826647592 in words is "ninety trillion, one hundred forty-three billion, eight hundred twenty-six million, six hundred forty-seven thousand, five hundred ninety-two".
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