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531241421130 = 23357281080117
BaseRepresentation
bin1111011101100000111…
…01001100100101001010
31212210020010110100021000
413232300131030211022
532200440300434010
61044014323155430
753244441400650
oct7566035144512
91783203410230
10531241421130
11195330a29602
1286b5b815b76
133b13277a994
141b9d84a0dd0
15dc4372a7c0
hex7bb074c94a

531241421130 has 64 divisors (see below), whose sum is σ = 1619021479680. Its totient is φ = 121426610112.

The previous prime is 531241421077. The next prime is 531241421131. The reversal of 531241421130 is 31124142135.

531241421130 is a `hidden beast` number, since 5 + 3 + 1 + 2 + 414 + 211 + 30 = 666.

531241421130 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 531241421094 and 531241421103.

It is not an unprimeable number, because it can be changed into a prime (531241421131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140538169 + ... + 140541948.

It is an arithmetic number, because the mean of its divisors is an integer number (25297210620).

Almost surely, 2531241421130 is an apocalyptic number.

531241421130 is an abundant number, since it is smaller than the sum of its proper divisors (1087780058550).

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

531241421130 is a wasteful number, since it uses less digits than its factorization.

531241421130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281080140 (or 281080134 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 531241421130 its reverse (31124142135), we get a palindrome (562365563265).

The spelling of 531241421130 in words is "five hundred thirty-one billion, two hundred forty-one million, four hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 378 630 945 1890 281080117 562160234 843240351 1405400585 1686480702 1967560819 2529721053 2810801170 3935121638 4216201755 5059442106 5902682457 7589163159 8432403510 9837804095 11805364914 12648605265 15178326318 17708047371 19675608190 25297210530 29513412285 35416094742 37945815795 53124142113 59026824570 75891631590 88540236855 106248284226 177080473710 265620710565 531241421130