Search a number
-
+
1230202007 = 41434311619
BaseRepresentation
bin100100101010011…
…0110010010010111
310011201211201220022
41021110312102113
510004412431012
6322023255355
742325354526
oct11124662227
93151751808
101230202007
11581464a81
122a3baa55b
13167b3a3a8
14b95524bd
1573004472
hex49536497

1230202007 has 16 divisors (see below), whose sum is σ = 1293304320. Its totient is φ = 1168843200.

The previous prime is 1230202003. The next prime is 1230202009. The reversal of 1230202007 is 7002020321.

It is not a de Polignac number, because 1230202007 - 22 = 1230202003 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 (1230202003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759044 + ... + 760662.

It is an arithmetic number, because the mean of its divisors is an integer number (80831520).

Almost surely, 21230202007 is an apocalyptic number.

1230202007 is a deficient number, since it is larger than the sum of its proper divisors (63102313).

1230202007 is a wasteful number, since it uses less digits than its factorization.

1230202007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1230202007 is about 35074.2356581009. The cubic root of 1230202007 is about 1071.4999219371.

Adding to 1230202007 its reverse (7002020321), we get a palindrome (8232222328).

The spelling of 1230202007 in words is "one billion, two hundred thirty million, two hundred two thousand, seven".

Divisors: 1 41 43 431 1619 1763 17671 18533 66379 69617 697789 759853 2854297 28609349 30004927 1230202007