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1325260007 = 1777956471
BaseRepresentation
bin100111011111101…
…1101110011100111
310102100201011221222
41032333131303213
510203231310012
6335300530555
744561344541
oct11677356347
93370634858
101325260007
11620090505
1230b9b0a5b
13181740626
14c8018691
157b52e972
hex4efddce7

1325260007 has 4 divisors (see below), whose sum is σ = 1403216496. Its totient is φ = 1247303520.

The previous prime is 1325260003. The next prime is 1325260037. The reversal of 1325260007 is 7000625231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7000625231 = 47148949473.

It is a cyclic number.

It is not a de Polignac number, because 1325260007 - 22 = 1325260003 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 (1325260003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38978219 + ... + 38978252.

It is an arithmetic number, because the mean of its divisors is an integer number (350804124).

Almost surely, 21325260007 is an apocalyptic number.

1325260007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1325260007 is a deficient number, since it is larger than the sum of its proper divisors (77956489).

1325260007 is an equidigital number, since it uses as much as digits as its factorization.

1325260007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77956488.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1325260007 is about 36404.1207420259. The cubic root of 1325260007 is about 1098.4164561582.

Adding to 1325260007 its reverse (7000625231), we get a palindrome (8325885238).

The spelling of 1325260007 in words is "one billion, three hundred twenty-five million, two hundred sixty thousand, seven".

Divisors: 1 17 77956471 1325260007