Base | Representation |
---|---|
bin | 101010000110011100… |
… | …1101010100100100101 |
3 | 22122100212210021221221 |
4 | 1110030321222210211 |
5 | 2440130123201024 |
6 | 105311212140341 |
7 | 6350314515022 |
oct | 1241471524445 |
9 | 278325707857 |
10 | 90410756389 |
11 | 35385573488 |
12 | 156324676b1 |
13 | 86aac5b7b5 |
14 | 45396a2549 |
15 | 25424673e4 |
hex | 150ce6a925 |
90410756389 has 4 divisors (see below), whose sum is σ = 90503296524. Its totient is φ = 90318216256.
The previous prime is 90410756363. The next prime is 90410756393. The reversal of 90410756389 is 98365701409.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98365701409 = 41 ⋅2399163449.
It can be written as a sum of positive squares in 2 ways, for example, as 78215308900 + 12195447489 = 279670^2 + 110433^2 .
It is a cyclic number.
It is not a de Polignac number, because 90410756389 - 211 = 90410754341 is a prime.
It is a super-2 number, since 2×904107563892 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90410756329) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46268602 + ... + 46270555.
It is an arithmetic number, because the mean of its divisors is an integer number (22625824131).
Almost surely, 290410756389 is an apocalyptic number.
It is an amenable number.
90410756389 is a deficient number, since it is larger than the sum of its proper divisors (92540135).
90410756389 is an equidigital number, since it uses as much as digits as its factorization.
90410756389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92540134.
The product of its (nonzero) digits is 1632960, while the sum is 52.
The spelling of 90410756389 in words is "ninety billion, four hundred ten million, seven hundred fifty-six thousand, three hundred eighty-nine".
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