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2261615041 = 72148331123
BaseRepresentation
bin1000011011001101…
…1000000111000001
312211121121221121001
42012303120013001
514112433140131
61012230132001
7110021260600
oct20663300701
95747557531
102261615041
11a60693944
125314b1001
132a072576a
14176519a37
15d383d261
hex86cd81c1

2261615041 has 12 divisors (see below), whose sum is σ = 2632716912. Its totient is φ = 1937157768.

The previous prime is 2261615039. The next prime is 2261615051. The reversal of 2261615041 is 1405161622.

It is not a de Polignac number, because 2261615041 - 21 = 2261615039 is a prime.

It is a super-2 number, since 2×22616150412 = 10229805187354863362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2261615051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57106 + ... + 88228.

It is an arithmetic number, because the mean of its divisors is an integer number (219393076).

Almost surely, 22261615041 is an apocalyptic number.

It is an amenable number.

2261615041 is a deficient number, since it is larger than the sum of its proper divisors (371101871).

2261615041 is a wasteful number, since it uses less digits than its factorization.

2261615041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32620 (or 32613 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2261615041 is about 47556.4405837947. The cubic root of 2261615041 is about 1312.6216444292.

Adding to 2261615041 its reverse (1405161622), we get a palindrome (3666776663).

The spelling of 2261615041 in words is "two billion, two hundred sixty-one million, six hundred fifteen thousand, forty-one".

Divisors: 1 7 49 1483 10381 31123 72667 217861 1525027 46155409 323087863 2261615041