Base | Representation |
---|---|
bin | 101001111011011111… |
… | …1001011101100111100 |
3 | 22121102020222121210000 |
4 | 1103312333023230330 |
5 | 2433402013312220 |
6 | 105210520114300 |
7 | 6335231520240 |
oct | 1236677135474 |
9 | 277366877700 |
10 | 90043104060 |
11 | 35206a91888 |
12 | 1554b305990 |
13 | 864ca34940 |
14 | 450291c420 |
15 | 2520043390 |
hex | 14f6fcbb3c |
90043104060 has 1920 divisors, whose sum is σ = 406533980160. Its totient is φ = 16124313600.
The previous prime is 90043104049. The next prime is 90043104061. The reversal of 90043104060 is 6040134009.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90043104061) by changing a digit.
It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 1476116430 + ... + 1476116490.
It is an arithmetic number, because the mean of its divisors is an integer number (211736448).
Almost surely, 290043104060 is an apocalyptic number.
90043104060 is a gapful number since it is divisible by the number (90) 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 90043104060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203266990080).
90043104060 is an abundant number, since it is smaller than the sum of its proper divisors (316490876100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90043104060 is a wasteful number, since it uses less digits than its factorization.
90043104060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169 (or 158 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
Adding to 90043104060 its reverse (6040134009), we get a palindrome (96083238069).
The spelling of 90043104060 in words is "ninety billion, forty-three million, one hundred four thousand, sixty".
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