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4005215141 = 5375570097
BaseRepresentation
bin1110111010111010…
…1011101110100101
3101100010112000021112
43232232223232211
531200313341031
61501233354405
7201152524034
oct35656535645
911303460245
104005215141
111775926464
12939408a05
134baa293b5
1429dd1071b
1518695562b
hexeebabba5

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".

Divisors: 1 53 75570097 4005215141