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32031323130020 = 2251601566156501
BaseRepresentation
bin1110100100001110111111…
…01000110000100010100100
311012102011102222112110222212
413102013133220300202210
513144300122210130040
6152042553043342552
76514121022200114
oct722073750604244
9135364388473885
1032031323130020
11a22a453941055
123713a75381a58
1314b4705211686
147ca477ca7044
153a831cb3dd65
hex1d21dfa308a4

32031323130020 has 12 divisors (see below), whose sum is σ = 67265778573084. Its totient is φ = 12812529252000.

The previous prime is 32031323130017. The next prime is 32031323130043. The reversal of 32031323130020 is 2003132313023.

It can be written as a sum of positive squares in 2 ways, for example, as 15276512956324 + 16754810173696 = 3908518^2 + 4093264^2 .

It is a super-2 number, since 2×320313231300202 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800783078231 + ... + 800783078270.

It is an arithmetic number, because the mean of its divisors is an integer number (5605481547757).

Almost surely, 232031323130020 is an apocalyptic number.

It is an amenable number.

32031323130020 is an abundant number, since it is smaller than the sum of its proper divisors (35234455443064).

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

32031323130020 is a wasteful number, since it uses less digits than its factorization.

32031323130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601566156510 (or 1601566156508 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 32031323130020 its reverse (2003132313023), we get a palindrome (34034455443043).

The spelling of 32031323130020 in words is "thirty-two trillion, thirty-one billion, three hundred twenty-three million, one hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 1601566156501 3203132313002 6406264626004 8007830782505 16015661565010 32031323130020