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2135300221 = 71137219523
BaseRepresentation
bin111111101000110…
…0001100001111101
312111210221111020101
41333101201201331
513333114101341
6551514521101
7103625516035
oct17721414175
95453844211
102135300221
119a635972a
124b7136191
132804ca472
141638388c5
15c76db831
hex7f46187d

2135300221 has 8 divisors (see below), whose sum is σ = 2181190464. Its totient is φ = 2089849440.

The previous prime is 2135300207. The next prime is 2135300227. The reversal of 2135300221 is 1220035312.

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 2135300221 - 217 = 2135169149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135300227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100035 + ... + 119488.

It is an arithmetic number, because the mean of its divisors is an integer number (272648808).

Almost surely, 22135300221 is an apocalyptic number.

It is an amenable number.

2135300221 is a deficient number, since it is larger than the sum of its proper divisors (45890243).

2135300221 is a wasteful number, since it uses less digits than its factorization.

2135300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219731.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2135300221 is about 46209.3088132683. The cubic root of 2135300221 is about 1287.7146848588.

Adding to 2135300221 its reverse (1220035312), we get a palindrome (3355335533).

The spelling of 2135300221 in words is "two billion, one hundred thirty-five million, three hundred thousand, two hundred twenty-one".

Divisors: 1 71 137 9727 219523 15586133 30074651 2135300221