Search a number
-
+
11240302131 = 3217219211971
BaseRepresentation
bin10100111011111100…
…10110011000110011
31002000100121111210100
422131332112120303
5141010004132011
65055210403443
7545354664102
oct123576263063
932010544710
1011240302131
1148489483a3
122218430583
1310a1952b66
14788b84039
1545bc09d56
hex29df96633

11240302131 has 54 divisors (see below), whose sum is σ = 18204276012. Its totient is φ = 6680983680.

The previous prime is 11240302109. The next prime is 11240302133. The reversal of 11240302131 is 13120304211.

It is not a de Polignac number, because 11240302131 - 29 = 11240301619 is a prime.

It is a super-2 number, since 2×112403021312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11240302133) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 932976 + ... + 944946.

Almost surely, 211240302131 is an apocalyptic number.

11240302131 is a deficient number, since it is larger than the sum of its proper divisors (6963973881).

11240302131 is a wasteful number, since it uses less digits than its factorization.

11240302131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12049 (or 12010 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11240302131 its reverse (13120304211), we get a palindrome (24360606342).

The spelling of 11240302131 in words is "eleven billion, two hundred forty million, three hundred two thousand, one hundred thirty-one".

Divisors: 1 3 9 17 19 51 57 153 171 289 323 361 867 969 1083 2601 2907 3249 5491 6137 11971 16473 18411 35913 49419 55233 104329 107739 203507 227449 312987 610521 682347 938961 1831563 2047041 3459619 3866633 4321531 10378857 11599899 12964593 31136571 34799697 38893779 65732761 73466027 197198283 220398081 591594849 661194243 1248922459 3746767377 11240302131