Base | Representation |
---|---|
bin | 1110111010111010… |
… | …1011101110100101 |
3 | 101100010112000021112 |
4 | 3232232223232211 |
5 | 31200313341031 |
6 | 1501233354405 |
7 | 201152524034 |
oct | 35656535645 |
9 | 11303460245 |
10 | 4005215141 |
11 | 1775926464 |
12 | 939408a05 |
13 | 4baa293b5 |
14 | 29dd1071b |
15 | 18695562b |
hex | eebabba5 |
4005215141 has 4 divisors (see below), whose sum is σ = 4080785292. Its totient is φ = 3929644992.
The previous prime is 4005215131. The next prime is 4005215161. The reversal of 4005215141 is 1415125004.
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 2151568225 + 1853646916 = 46385^2 + 43054^2 .
It is a cyclic number.
It is not a de Polignac number, because 4005215141 - 230 = 2931473317 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4005215111) 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, 37784996 + ... + 37785101.
It is an arithmetic number, because the mean of its divisors is an integer number (1020196323).
Almost surely, 24005215141 is an apocalyptic number.
It is an amenable number.
4005215141 is a deficient number, since it is larger than the sum of its proper divisors (75570151).
4005215141 is an equidigital number, since it uses as much as digits as its factorization.
4005215141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75570150.
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 4005215141 is about 63286.7690832768. The cubic root of 4005215141 is about 1588.0906290606.
The spelling of 4005215141 in words is "four billion, five million, two hundred fifteen thousand, one hundred forty-one".
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