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2215410242105 = 51792924713149
BaseRepresentation
bin100000001111010000101…
…111011001001000111001
321211210100202012221112002
4200033100233121020321
5242244130010221410
64413425002030345
7316025634231434
oct40172057311071
97753322187462
102215410242105
11784606364a65
122b94404a83b5
13130bb23b89a8
147932546481b
153c96429e7a5
hex203d0bd9239

2215410242105 has 8 divisors (see below), whose sum is σ = 2658640677000. Its totient is φ = 1772229269376.

The previous prime is 2215410242081. The next prime is 2215410242117. The reversal of 2215410242105 is 5012420145122.

It can be written as a sum of positive squares in 4 ways, for example, as 163746478336 + 2051663763769 = 404656^2 + 1432363^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2215410242105 - 230 = 2214336500281 is a prime.

It is an unprimeable number.

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, 12266930 + ... + 12446219.

It is an arithmetic number, because the mean of its divisors is an integer number (332330084625).

Almost surely, 22215410242105 is an apocalyptic number.

It is an amenable number.

2215410242105 is a deficient number, since it is larger than the sum of its proper divisors (443230434895).

2215410242105 is a wasteful number, since it uses less digits than its factorization.

2215410242105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24731083.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 2215410242105 its reverse (5012420145122), we get a palindrome (7227830387227).

The spelling of 2215410242105 in words is "two trillion, two hundred fifteen billion, four hundred ten million, two hundred forty-two thousand, one hundred five".

Divisors: 1 5 17929 89645 24713149 123565745 443082048421 2215410242105