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11493029181 = 312289311743
BaseRepresentation
bin10101011010000100…
…11011010100111101
31002122222011101010110
422231002123110331
5142014203413211
65140235300233
7554544064464
oct125502332475
932588141113
1011493029181
114968573a27
122288baa679
13111210b8aa
147b056d9db
15473ecbea6
hex2ad09b53d

11493029181 has 8 divisors (see below), whose sum is σ = 15325335040. Its totient is φ = 7661371392.

The previous prime is 11493029123. The next prime is 11493029227. The reversal of 11493029181 is 18192039411.

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

It is not a de Polignac number, because 11493029181 - 29 = 11493028669 is a prime.

It is a super-3 number, since 3×114930291813 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11493029101) 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, 119005 + ... + 192738.

It is an arithmetic number, because the mean of its divisors is an integer number (1915666880).

Almost surely, 211493029181 is an apocalyptic number.

It is an amenable number.

11493029181 is a deficient number, since it is larger than the sum of its proper divisors (3832305859).

11493029181 is a wasteful number, since it uses less digits than its factorization.

11493029181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324035.

The product of its (nonzero) digits is 15552, while the sum is 39.

The spelling of 11493029181 in words is "eleven billion, four hundred ninety-three million, twenty-nine thousand, one hundred eighty-one".

Divisors: 1 3 12289 36867 311743 935229 3831009727 11493029181