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1300120413 = 3433373471
BaseRepresentation
bin100110101111110…
…0100001101011101
310100121101221220220
41031133210031131
510130312323123
6333002031553
744134561344
oct11537441535
93317357826
101300120413
1160797a789
123034a85b9
1317947aa27
14c4952b5b
1579215ce3
hex4d7e435d

1300120413 has 4 divisors (see below), whose sum is σ = 1733493888. Its totient is φ = 866746940.

The previous prime is 1300120411. The next prime is 1300120453. The reversal of 1300120413 is 3140210031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1300120413 - 21 = 1300120411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300120392 and 1300120401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300120411) 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, 216686733 + ... + 216686738.

It is an arithmetic number, because the mean of its divisors is an integer number (433373472).

Almost surely, 21300120413 is an apocalyptic number.

It is an amenable number.

1300120413 is a deficient number, since it is larger than the sum of its proper divisors (433373475).

1300120413 is an equidigital number, since it uses as much as digits as its factorization.

1300120413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433373474.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1300120413 is about 36057.1825438428. The cubic root of 1300120413 is about 1091.4265789160.

Adding to 1300120413 its reverse (3140210031), we get a palindrome (4440330444).

The spelling of 1300120413 in words is "one billion, three hundred million, one hundred twenty thousand, four hundred thirteen".

Divisors: 1 3 433373471 1300120413