Search a number
-
+
11245492431 = 321613774643
BaseRepresentation
bin10100111100100100…
…01001100011001111
31002000201101012112200
422132102021203033
5141012321224211
65055513532543
7545450052135
oct123622114317
932021335480
1011245492431
1148508729a8
12221a114153
1310a2a4c444
14789735755
1545c3d2b56
hex29e4898cf

11245492431 has 12 divisors (see below), whose sum is σ = 16253580408. Its totient is φ = 7492337424.

The previous prime is 11245492403. The next prime is 11245492439. The reversal of 11245492431 is 13429454211.

11245492431 is a `hidden beast` number, since 1 + 124 + 5 + 492 + 43 + 1 = 666.

11245492431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11245492431 - 217 = 11245361359 is a prime.

It is a super-2 number, since 2×112454924312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11245492439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372805 + ... + 401838.

It is an arithmetic number, because the mean of its divisors is an integer number (1354465034).

Almost surely, 211245492431 is an apocalyptic number.

11245492431 is a deficient number, since it is larger than the sum of its proper divisors (5008087977).

11245492431 is a wasteful number, since it uses less digits than its factorization.

11245492431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776262 (or 776259 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 11245492431 in words is "eleven billion, two hundred forty-five million, four hundred ninety-two thousand, four hundred thirty-one".

Divisors: 1 3 9 1613 4839 14517 774643 2323929 6971787 1249499159 3748497477 11245492431