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442131330230230 = 25336929131223887
BaseRepresentation
bin110010010000111011011100…
…0111000011110011111010110
32010222110100020121000220212111
41210201312320320132133112
5430422334431014331410
64204200155030541234
7162061635346026634
oct14441667070363726
92128410217026774
10442131330230230
11118970931636303
124170801bb0781a
1315c91a61a12084
147b273b05cc354
15361acb584db8a
hex1921db8e1e7d6

442131330230230 has 16 divisors (see below), whose sum is σ = 795838762509120. Its totient is φ = 176852005848832.

The previous prime is 442131330230179. The next prime is 442131330230231. The reversal of 442131330230230 is 32032033131244.

It is a happy number.

It is a super-2 number, since 2×4421313302302302 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442131330230192 and 442131330230201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442131330230231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62242654 + ... + 68981233.

It is an arithmetic number, because the mean of its divisors is an integer number (49739922656820).

Almost surely, 2442131330230230 is an apocalyptic number.

442131330230230 is a deficient number, since it is larger than the sum of its proper divisors (353707432278890).

442131330230230 is a wasteful number, since it uses less digits than its factorization.

442131330230230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131560823.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 442131330230230 its reverse (32032033131244), we get a palindrome (474163363361474).

The spelling of 442131330230230 in words is "four hundred forty-two trillion, one hundred thirty-one billion, three hundred thirty million, two hundred thirty thousand, two hundred thirty".

Divisors: 1 2 5 10 336929 673858 1684645 3369290 131223887 262447774 656119435 1312238870 44213133023023 88426266046046 221065665115115 442131330230230