Search a number
-
+
13201002442 = 26600501221
BaseRepresentation
bin11000100101101011…
…10100111111001010
31021002000000101222101
430102311310333022
5204013424034232
610021531144014
7645063445405
oct142265647712
937060011871
1013201002442
115664692581
122684ba500a
131324c1a364
148d332cd3c
15523e081e7
hex312d74fca

13201002442 has 4 divisors (see below), whose sum is σ = 19801503666. Its totient is φ = 6600501220.

The previous prime is 13201002433. The next prime is 13201002461. The reversal of 13201002442 is 24420010231.

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

It can be written as a sum of positive squares in only one way, i.e., 9166339081 + 4034663361 = 95741^2 + 63519^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3300250609 + ... + 3300250612.

Almost surely, 213201002442 is an apocalyptic number.

13201002442 is a deficient number, since it is larger than the sum of its proper divisors (6600501224).

13201002442 is an equidigital number, since it uses as much as digits as its factorization.

13201002442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6600501223.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 13201002442 its reverse (24420010231), we get a palindrome (37621012673).

The spelling of 13201002442 in words is "thirteen billion, two hundred one million, two thousand, four hundred forty-two".

Divisors: 1 2 6600501221 13201002442