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2142210240205 = 5761206006863
BaseRepresentation
bin11111001011000101101…
…011100010111011001101
321120210102022111120021121
4133023011223202323031
5240044221310141310
64320041240000541
7310524652413250
oct37130553427315
97523368446247
102142210240205
11756562919122
122a7211a60151
131270180019b9
147597d863097
153aaccc900da
hex1f2c5ae2ecd

2142210240205 has 8 divisors (see below), whose sum is σ = 2937888329472. Its totient is φ = 1468944164688.

The previous prime is 2142210240193. The next prime is 2142210240223. The reversal of 2142210240205 is 5020420122412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2142210240205 - 29 = 2142210239693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142210240205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30603003397 + ... + 30603003466.

It is an arithmetic number, because the mean of its divisors is an integer number (367236041184).

Almost surely, 22142210240205 is an apocalyptic number.

It is an amenable number.

2142210240205 is a deficient number, since it is larger than the sum of its proper divisors (795678089267).

2142210240205 is an equidigital number, since it uses as much as digits as its factorization.

2142210240205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61206006875.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 2142210240205 its reverse (5020420122412), we get a palindrome (7162630362617).

The spelling of 2142210240205 in words is "two trillion, one hundred forty-two billion, two hundred ten million, two hundred forty thousand, two hundred five".

Divisors: 1 5 7 35 61206006863 306030034315 428442048041 2142210240205