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1130201305 = 5226040261
BaseRepresentation
bin100001101011101…
…1000000011011001
32220202200011201121
41003113120003121
54303312420210
6304052045241
740002360352
oct10327300331
92822604647
101130201305
1152aa72a72
12276603821
131501c648c
14aa160d29
156934e6da
hex435d80d9

1130201305 has 4 divisors (see below), whose sum is σ = 1356241572. Its totient is φ = 904161040.

The previous prime is 1130201291. The next prime is 1130201357. The reversal of 1130201305 is 5031020311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 275925321 + 854275984 = 16611^2 + 29228^2 .

It is not a de Polignac number, because 1130201305 - 227 = 995983577 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, 113020126 + ... + 113020135.

It is an arithmetic number, because the mean of its divisors is an integer number (339060393).

Almost surely, 21130201305 is an apocalyptic number.

It is an amenable number.

1130201305 is a deficient number, since it is larger than the sum of its proper divisors (226040267).

1130201305 is an equidigital number, since it uses as much as digits as its factorization.

1130201305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226040266.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1130201305 is about 33618.4667258934. The cubic root of 1130201305 is about 1041.6422847698.

Adding to 1130201305 its reverse (5031020311), we get a palindrome (6161221616).

The spelling of 1130201305 in words is "one billion, one hundred thirty million, two hundred one thousand, three hundred five".

Divisors: 1 5 226040261 1130201305