Base | Representation |
---|---|
bin | 1000000010000001… |
… | …0010100000011010 |
3 | 12120020210111202002 |
4 | 2000200102200122 |
5 | 13403410314213 |
6 | 553533241002 |
7 | 104266153565 |
oct | 20040224032 |
9 | 5506714662 |
10 | 2155948058 |
11 | a06a81760 |
12 | 502033162 |
13 | 284879714 |
14 | 1664914dc |
15 | c9419658 |
hex | 8081281a |
2155948058 has 16 divisors (see below), whose sum is σ = 3735440064. Its totient is φ = 922330560.
The previous prime is 2155948057. The next prime is 2155948187. The reversal of 2155948058 is 8508495512.
It is a super-3 number, since 3×21559480583 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (2155948051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2881910 + ... + 2882657.
It is an arithmetic number, because the mean of its divisors is an integer number (233465004).
Almost surely, 22155948058 is an apocalyptic number.
2155948058 is a deficient number, since it is larger than the sum of its proper divisors (1579492006).
2155948058 is a wasteful number, since it uses less digits than its factorization.
2155948058 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5764597.
The product of its (nonzero) digits is 576000, while the sum is 47.
The square root of 2155948058 is about 46432.1877365260. The cubic root of 2155948058 is about 1291.8520076537.
The spelling of 2155948058 in words is "two billion, one hundred fifty-five million, nine hundred forty-eight thousand, fifty-eight".
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