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2172285660341 = 4248751128243
BaseRepresentation
bin11111100111000110010…
…100001010110010110101
321200200001022201012122002
4133213012110022302311
5241042320112112331
64341533444345045
7312641156312006
oct37470624126265
97620038635562
102172285660341
11768296695445
122b10060a5185
13129acbbb26a4
14771d3d011ad
153b78d3159cb
hex1f9c650acb5

2172285660341 has 4 divisors (see below), whose sum is σ = 2172336831072. Its totient is φ = 2172234489612.

The previous prime is 2172285660323. The next prime is 2172285660379. The reversal of 2172285660341 is 1430665822712.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2172285660341 - 26 = 2172285660277 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 (2172285663341) 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, 25521635 + ... + 25606608.

It is an arithmetic number, because the mean of its divisors is an integer number (543084207768).

Almost surely, 22172285660341 is an apocalyptic number.

It is an amenable number.

2172285660341 is a deficient number, since it is larger than the sum of its proper divisors (51170731).

2172285660341 is an equidigital number, since it uses as much as digits as its factorization.

2172285660341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51170730.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 2172285660341 in words is "two trillion, one hundred seventy-two billion, two hundred eighty-five million, six hundred sixty thousand, three hundred forty-one".

Divisors: 1 42487 51128243 2172285660341