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1201341305 = 5240268261
BaseRepresentation
bin100011110011011…
…0000001101111001
310002201112110110102
41013212300031321
54430020410210
6315112525145
741525142533
oct10746601571
93081473412
101201341305
1156714255a
122963b07b5
13161b73b58
14b579c853
1570702ea5
hex479b0379

1201341305 has 4 divisors (see below), whose sum is σ = 1441609572. Its totient is φ = 961073040.

The previous prime is 1201341299. The next prime is 1201341311. The reversal of 1201341305 is 5031431021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1201341299) and next prime (1201341311).

It can be written as a sum of positive squares in 2 ways, for example, as 230644969 + 970696336 = 15187^2 + 31156^2 .

It is not a de Polignac number, because 1201341305 - 26 = 1201341241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120134126 + ... + 120134135.

It is an arithmetic number, because the mean of its divisors is an integer number (360402393).

Almost surely, 21201341305 is an apocalyptic number.

It is an amenable number.

1201341305 is a deficient number, since it is larger than the sum of its proper divisors (240268267).

1201341305 is an equidigital number, since it uses as much as digits as its factorization.

1201341305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240268266.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1201341305 is about 34660.3708145196. The cubic root of 1201341305 is about 1063.0543521044.

Adding to 1201341305 its reverse (5031431021), we get a palindrome (6232772326).

The spelling of 1201341305 in words is "one billion, two hundred one million, three hundred forty-one thousand, three hundred five".

Divisors: 1 5 240268261 1201341305