Search a number
-
+
11302404421 = 711231430453
BaseRepresentation
bin10101000011010110…
…10000000101000101
31002011200110122010011
422201223100011011
5141121403420141
65105305430221
7550040565250
oct124153200505
932150418104
1011302404421
11487aa04800
12223519b371
1310b1787989
1479310c097
154623c5881
hex2a1ad0145

11302404421 has 24 divisors (see below), whose sum is σ = 14656097792. Its totient is φ = 8522949600.

The previous prime is 11302404413. The next prime is 11302404577. The reversal of 11302404421 is 12440420311.

It is a happy number.

It is not a de Polignac number, because 11302404421 - 23 = 11302404413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11302404392 and 11302404401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11302405421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188970 + ... + 241483.

Almost surely, 211302404421 is an apocalyptic number.

11302404421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11302404421 is a deficient number, since it is larger than the sum of its proper divisors (3353693371).

11302404421 is a wasteful number, since it uses less digits than its factorization.

11302404421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430513 (or 430502 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11302404421 its reverse (12440420311), we get a palindrome (23742824732).

The spelling of 11302404421 in words is "eleven billion, three hundred two million, four hundred four thousand, four hundred twenty-one".

Divisors: 1 7 11 31 77 121 217 341 847 2387 3751 26257 430453 3013171 4734983 13344043 33144881 52084813 93408301 146784473 364593691 1027491311 1614629203 11302404421