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2101301043 = 310313015227
BaseRepresentation
bin111110100111111…
…0100111100110011
312102102222011010120
41331033310330303
513300413113133
6544302101323
7103033523052
oct17517647463
95372864116
102101301043
11989147636
124a787a843
132764550ca
1415d108399
15c4722ab3
hex7d3f4f33

2101301043 has 16 divisors (see below), whose sum is σ = 2831652096. Its totient is φ = 1385935200.

The previous prime is 2101301021. The next prime is 2101301057. The reversal of 2101301043 is 3401031012.

It is not a de Polignac number, because 2101301043 - 25 = 2101301011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101301063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399396 + ... + 404622.

It is an arithmetic number, because the mean of its divisors is an integer number (176978256).

Almost surely, 22101301043 is an apocalyptic number.

2101301043 is a deficient number, since it is larger than the sum of its proper divisors (730351053).

2101301043 is a wasteful number, since it uses less digits than its factorization.

2101301043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6634.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2101301043 is about 45839.9502944757. The cubic root of 2101301043 is about 1280.8435688931.

Adding to 2101301043 its reverse (3401031012), we get a palindrome (5502332055).

The spelling of 2101301043 in words is "two billion, one hundred one million, three hundred one thousand, forty-three".

Divisors: 1 3 103 309 1301 3903 5227 15681 134003 402009 538381 1615143 6800327 20400981 700433681 2101301043