Search a number
-
+
11131523500 = 2253171309591
BaseRepresentation
bin10100101110111110…
…11001000110101100
31001201202220222120011
422113133121012230
5140244132223000
65040323103004
7542564250166
oct122737310654
931652828504
1011131523500
1147a25003a9
1221a7b11a64
1310852576c6
14778549936
154523be2ba
hex2977d91ac

11131523500 has 48 divisors (see below), whose sum is σ = 25741340352. Its totient is φ = 4190688000.

The previous prime is 11131523467. The next prime is 11131523527. The reversal of 11131523500 is 532513111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646296 + ... + 663295.

It is an arithmetic number, because the mean of its divisors is an integer number (536277924).

Almost surely, 211131523500 is an apocalyptic number.

11131523500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11131523500 is an abundant number, since it is smaller than the sum of its proper divisors (14609816852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11131523500 is a wasteful number, since it uses less digits than its factorization.

11131523500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309627 (or 1309615 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The spelling of 11131523500 in words is "eleven billion, one hundred thirty-one million, five hundred twenty-three thousand, five hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 125 170 250 340 425 500 850 1700 2125 4250 8500 1309591 2619182 5238364 6547955 13095910 22263047 26191820 32739775 44526094 65479550 89052188 111315235 130959100 163698875 222630470 327397750 445260940 556576175 654795500 1113152350 2226304700 2782880875 5565761750 11131523500