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1150123230 = 232512779147
BaseRepresentation
bin100010010001101…
…0111110011011110
32222011011022110200
41010203113303132
54323412420410
6310043044330
740333612644
oct10443276336
92864138420
101150123230
1154023a673
122812106a6
131543801b9
14aca69194
156ae873c0
hex448d7cde

1150123230 has 24 divisors (see below), whose sum is σ = 2990320632. Its totient is φ = 306699504.

The previous prime is 1150123223. The next prime is 1150123241. The reversal of 1150123230 is 323210511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 6389484 + ... + 6389663.

It is an arithmetic number, because the mean of its divisors is an integer number (124596693).

Almost surely, 21150123230 is an apocalyptic number.

1150123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1150123230 is an abundant number, since it is smaller than the sum of its proper divisors (1840197402).

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

1150123230 is a wasteful number, since it uses less digits than its factorization.

1150123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12779160 (or 12779157 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1150123230 is about 33913.4667941807. The cubic root of 1150123230 is about 1047.7269740912.

Adding to 1150123230 its reverse (323210511), we get a palindrome (1473333741).

The spelling of 1150123230 in words is "one billion, one hundred fifty million, one hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 12779147 25558294 38337441 63895735 76674882 115012323 127791470 191687205 230024646 383374410 575061615 1150123230