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1331230050 = 2325217174017
BaseRepresentation
bin100111101011000…
…1111010101100010
310102202221111022200
41033112033111202
510211243330200
6340032514030
744663161113
oct11726172542
93382844280
101331230050
11623498927
123119ab916
13182a50ab7
14c8b3020a
157bd0d800
hex4f58f562

1331230050 has 72 divisors (see below), whose sum is σ = 3786979716. Its totient is φ = 334110720.

The previous prime is 1331230031. The next prime is 1331230051. The reversal of 1331230050 is 500321331.

1331230050 is a `hidden beast` number, since 1 + 3 + 312 + 300 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1067524929 + 263705121 = 32673^2 + 16239^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1331230051) 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 35 ways as a sum of consecutive naturals, for example, 79359 + ... + 94658.

Almost surely, 21331230050 is an apocalyptic number.

1331230050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331230050 is an abundant number, since it is smaller than the sum of its proper divisors (2455749666).

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

1331230050 is a wasteful number, since it uses less digits than its factorization.

1331230050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174052 (or 174044 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 1331230050 is about 36486.0254069966. The cubic root of 1331230050 is about 1100.0633710048.

Adding to 1331230050 its reverse (500321331), we get a palindrome (1831551381).

The spelling of 1331230050 in words is "one billion, three hundred thirty-one million, two hundred thirty thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 17 18 25 30 34 45 50 51 75 85 90 102 150 153 170 225 255 306 425 450 510 765 850 1275 1530 2550 3825 7650 174017 348034 522051 870085 1044102 1566153 1740170 2610255 2958289 3132306 4350425 5220510 5916578 7830765 8700850 8874867 13051275 14791445 15661530 17749734 26102550 26624601 29582890 39153825 44374335 53249202 73957225 78307650 88748670 133123005 147914450 221871675 266246010 443743350 665615025 1331230050