Base | Representation |
---|---|
bin | 111110100101100… |
… | …000110010111110 |
3 | 2201011210121002200 |
4 | 332211200302332 |
5 | 4122301133204 |
6 | 252105332330 |
7 | 35010013605 |
oct | 7645406276 |
9 | 2634717080 |
10 | 1050021054 |
11 | 4997893a5 |
12 | 2537970a6 |
13 | 139702044 |
14 | 9d64ca3c |
15 | 622b2539 |
hex | 3e960cbe |
1050021054 has 72 divisors (see below), whose sum is σ = 2443055160. Its totient is φ = 325031616.
The previous prime is 1050021043. The next prime is 1050021097. The reversal of 1050021054 is 4501200501.
It is a super-2 number, since 2×10500210542 = 2205088427686541832, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
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 35 ways as a sum of consecutive naturals, for example, 960132 + ... + 961224.
Almost surely, 21050021054 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1050021054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1221527580).
1050021054 is an abundant number, since it is smaller than the sum of its proper divisors (1393034106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1050021054 is a wasteful number, since it uses less digits than its factorization.
1050021054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1226 (or 1170 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 1050021054 is about 32404.0283606838. The cubic root of 1050021054 is about 1016.4031501691.
Adding to 1050021054 its reverse (4501200501), we get a palindrome (5551221555).
The spelling of 1050021054 in words is "one billion, fifty million, twenty-one thousand, fifty-four".
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