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2106260361 = 3378009643
BaseRepresentation
bin111110110001010…
…1111101110001001
312102210022010001000
41331202233232021
513303200312421
6545000245213
7103123626522
oct17542575611
95383263030
102106260361
11990a24647
124a9470809
132774a050a
1415da39849
15c4da2226
hex7d8afb89

2106260361 has 8 divisors (see below), whose sum is σ = 3120385760. Its totient is φ = 1404173556.

The previous prime is 2106260341. The next prime is 2106260389. The reversal of 2106260361 is 1630626012.

2106260361 is a `hidden beast` number, since 2 + 1 + 0 + 626 + 0 + 36 + 1 = 666.

It is not a de Polignac number, because 2106260361 - 26 = 2106260297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 78009643 = 2106260361 / (2 + 1 + 0 + 6 + 2 + 6 + 0 + 3 + 6 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106260341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39004795 + ... + 39004848.

It is an arithmetic number, because the mean of its divisors is an integer number (390048220).

Almost surely, 22106260361 is an apocalyptic number.

It is an amenable number.

2106260361 is a deficient number, since it is larger than the sum of its proper divisors (1014125399).

2106260361 is an equidigital number, since it uses as much as digits as its factorization.

2106260361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78009652 (or 78009646 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2106260361 is about 45894.0122565025. The cubic root of 2106260361 is about 1281.8504244452.

Adding to 2106260361 its reverse (1630626012), we get a palindrome (3736886373).

The spelling of 2106260361 in words is "two billion, one hundred six million, two hundred sixty thousand, three hundred sixty-one".

Divisors: 1 3 9 27 78009643 234028929 702086787 2106260361