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2421205111 = 13449414803
BaseRepresentation
bin1001000001010000…
…1010100001110111
320020201220222000101
42100110022201313
514424312030421
61040130454531
7113666622013
oct22024124167
96221828011
102421205111
111032786266
12576a34447
132c7801760
1418d7bd543
15e2864191
hex9050a877

2421205111 has 8 divisors (see below), whose sum is σ = 2613265200. Its totient is φ = 2229975552.

The previous prime is 2421205109. The next prime is 2421205139. The reversal of 2421205111 is 1115021242.

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 2421205111 - 21 = 2421205109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421205211) 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 7 ways as a sum of consecutive naturals, for example, 201565 + ... + 213238.

It is an arithmetic number, because the mean of its divisors is an integer number (326658150).

Almost surely, 22421205111 is an apocalyptic number.

2421205111 is a deficient number, since it is larger than the sum of its proper divisors (192060089).

2421205111 is a wasteful number, since it uses less digits than its factorization.

2421205111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415265.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 2421205111 is about 49205.7426628234. The cubic root of 2421205111 is about 1342.7975102715.

Adding to 2421205111 its reverse (1115021242), we get a palindrome (3536226353).

The spelling of 2421205111 in words is "two billion, four hundred twenty-one million, two hundred five thousand, one hundred eleven".

Divisors: 1 13 449 5837 414803 5392439 186246547 2421205111