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1131232030 = 251039108877
BaseRepresentation
bin100001101101101…
…0011101100011110
32220211121112121121
41003123103230132
54304043411110
6304130121154
740014212365
oct10333235436
92824545547
101131232030
11530607405
12276a201ba
13150497686
14aa34c7dc
15694a4cda
hex436d3b1e

1131232030 has 16 divisors (see below), whose sum is σ = 2038196160. Its totient is φ = 452053152.

The previous prime is 1131232001. The next prime is 1131232031. The reversal of 1131232030 is 302321311.

It is a junction number, because it is equal to n+sod(n) for n = 1131231995 and 1131232013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131232031) 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 7 ways as a sum of consecutive naturals, for example, 44049 + ... + 64828.

It is an arithmetic number, because the mean of its divisors is an integer number (127387260).

Almost surely, 21131232030 is an apocalyptic number.

1131232030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131232030 is a deficient number, since it is larger than the sum of its proper divisors (906964130).

1131232030 is a wasteful number, since it uses less digits than its factorization.

1131232030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109923.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1131232030 is about 33633.7929767072. The cubic root of 1131232030 is about 1041.9588421010.

Adding to 1131232030 its reverse (302321311), we get a palindrome (1433553341).

The spelling of 1131232030 in words is "one billion, one hundred thirty-one million, two hundred thirty-two thousand, thirty".

Divisors: 1 2 5 10 1039 2078 5195 10390 108877 217754 544385 1088770 113123203 226246406 565616015 1131232030