Base | Representation |
---|---|
bin | 10000111111010011… |
… | …01111100100101101 |
3 | 212112122201100002201 |
4 | 20133221233210231 |
5 | 122134432033203 |
6 | 4105022021501 |
7 | 442011655225 |
oct | 103751574455 |
9 | 25478640081 |
10 | 9120971053 |
11 | 3960606607 |
12 | 1926717891 |
13 | b248571bc |
14 | 627505085 |
15 | 385b24e1d |
hex | 21fa6f92d |
9120971053 has 4 divisors (see below), whose sum is σ = 9657498780. Its totient is φ = 8584443328.
The previous prime is 9120971039. The next prime is 9120971089. The reversal of 9120971053 is 3501790219.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5118257764 + 4002713289 = 71542^2 + 63267^2 .
It is a cyclic number.
It is not a de Polignac number, because 9120971053 - 25 = 9120971021 is a prime.
It is a super-2 number, since 2×91209710532 (a number of 21 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 (9120921053) 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, 268263838 + ... + 268263871.
It is an arithmetic number, because the mean of its divisors is an integer number (2414374695).
Almost surely, 29120971053 is an apocalyptic number.
It is an amenable number.
9120971053 is a deficient number, since it is larger than the sum of its proper divisors (536527727).
9120971053 is a wasteful number, since it uses less digits than its factorization.
9120971053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 536527726.
The product of its (nonzero) digits is 17010, while the sum is 37.
The square root of 9120971053 is about 95503.7750719834. The cubic root of 9120971053 is about 2089.3620033974.
The spelling of 9120971053 in words is "nine billion, one hundred twenty million, nine hundred seventy-one thousand, fifty-three".
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