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2141012505 = 35142734167
BaseRepresentation
bin111111110011101…
…0100001000011001
312112012200201000110
41333213110020121
513341044400010
6552241154533
7104025206652
oct17747241031
95465621013
102141012505
119a9600425
124b902ba49
1328174a508
141644c4529
15c7e69120
hex7f9d4219

2141012505 has 8 divisors (see below), whose sum is σ = 3425620032. Its totient is φ = 1141873328.

The previous prime is 2141012491. The next prime is 2141012563. The reversal of 2141012505 is 5052101412.

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 2141012505 - 212 = 2141008409 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71367069 + ... + 71367098.

It is an arithmetic number, because the mean of its divisors is an integer number (428202504).

Almost surely, 22141012505 is an apocalyptic number.

It is an amenable number.

2141012505 is a deficient number, since it is larger than the sum of its proper divisors (1284607527).

2141012505 is a wasteful number, since it uses less digits than its factorization.

2141012505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142734175.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2141012505 is about 46271.0763328453. The cubic root of 2141012505 is about 1288.8619462332.

Adding to 2141012505 its reverse (5052101412), we get a palindrome (7193113917).

The spelling of 2141012505 in words is "two billion, one hundred forty-one million, twelve thousand, five hundred five".

Divisors: 1 3 5 15 142734167 428202501 713670835 2141012505