Search a number
-
+
1232202013 = 7612885719
BaseRepresentation
bin100100101110001…
…1110100100011101
310011212121100101121
41021130132210131
510010420431023
6322134210541
742351354460
oct11134364435
93155540347
101232202013
11582600679
122a47b3a51
1316838a823
14b99132d7
157329bd5d
hex4971e91d

1232202013 has 8 divisors (see below), whose sum is σ = 1431317120. Its totient is φ = 1038858480.

The previous prime is 1232202011. The next prime is 1232202017. The reversal of 1232202013 is 3102022321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1232202013 - 21 = 1232202011 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 (1232202011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1442433 + ... + 1443286.

It is an arithmetic number, because the mean of its divisors is an integer number (178914640).

Almost surely, 21232202013 is an apocalyptic number.

It is an amenable number.

1232202013 is a deficient number, since it is larger than the sum of its proper divisors (199115107).

1232202013 is an equidigital number, since it uses as much as digits as its factorization.

1232202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885787.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1232202013 is about 35102.7351213549. The cubic root of 1232202013 is about 1072.0802726910.

Adding to 1232202013 its reverse (3102022321), we get a palindrome (4334224334).

The spelling of 1232202013 in words is "one billion, two hundred thirty-two million, two hundred two thousand, thirteen".

Divisors: 1 7 61 427 2885719 20200033 176028859 1232202013