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1301032105 = 5260206421
BaseRepresentation
bin100110110001100…
…0010110010101001
310100200010021112021
41031203002302221
510131031011410
6333033344441
744145406342
oct11543026251
93320107467
101301032105
1160844274a
12303868121
131797099a9
14c4b0d0c9
1579345eda
hex4d8c2ca9

1301032105 has 4 divisors (see below), whose sum is σ = 1561238532. Its totient is φ = 1040825680.

The previous prime is 1301032097. The next prime is 1301032121. The reversal of 1301032105 is 5012301031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5012301031 = 32031564877.

It can be written as a sum of positive squares in 2 ways, for example, as 979439616 + 321592489 = 31296^2 + 17933^2 .

It is not a de Polignac number, because 1301032105 - 23 = 1301032097 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, 130103206 + ... + 130103215.

It is an arithmetic number, because the mean of its divisors is an integer number (390309633).

Almost surely, 21301032105 is an apocalyptic number.

It is an amenable number.

1301032105 is a deficient number, since it is larger than the sum of its proper divisors (260206427).

1301032105 is an equidigital number, since it uses as much as digits as its factorization.

1301032105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260206426.

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

The square root of 1301032105 is about 36069.8226361040. The cubic root of 1301032105 is about 1091.6816353897.

Adding to 1301032105 its reverse (5012301031), we get a palindrome (6313333136).

The spelling of 1301032105 in words is "one billion, three hundred one million, thirty-two thousand, one hundred five".

Divisors: 1 5 260206421 1301032105