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2141001305 = 5735865757
BaseRepresentation
bin111111110011101…
…0001011001011001
312112012200010122122
41333213101121121
513341044020210
6552241031025
7104025132212
oct17747213131
95465603578
102141001305
119a95a2a73
124b9025475
132817453a1
141644c0409
15c7e65b55
hex7f9d1659

2141001305 has 8 divisors (see below), whose sum is σ = 2604396552. Its totient is φ = 1689337728.

The previous prime is 2141001283. The next prime is 2141001323. The reversal of 2141001305 is 5031001412.

It can be written as a sum of positive squares in 4 ways, for example, as 603734041 + 1537267264 = 24571^2 + 39208^2 .

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 2141001305 - 230 = 1067259481 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 2932514 + ... + 2933243.

It is an arithmetic number, because the mean of its divisors is an integer number (325549569).

Almost surely, 22141001305 is an apocalyptic number.

It is an amenable number.

2141001305 is a deficient number, since it is larger than the sum of its proper divisors (463395247).

2141001305 is an equidigital number, since it uses as much as digits as its factorization.

2141001305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865835.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2141001305 is about 46270.9553067580. The cubic root of 2141001305 is about 1288.8596988107.

Adding to 2141001305 its reverse (5031001412), we get a palindrome (7172002717).

The spelling of 2141001305 in words is "two billion, one hundred forty-one million, one thousand, three hundred five".

Divisors: 1 5 73 365 5865757 29328785 428200261 2141001305