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20132402230 = 253122094943
BaseRepresentation
bin10010101111111111…
…000001010000110110
31220222001122222222001
4102233333001100312
5312212343332410
613125415125514
71311620411143
oct225777012066
956861588861
1020132402230
1185a1241856
123a9a37389a
131b8ac54955
14d8db0d3ca
157cc6c133a
hex4affc1436

20132402230 has 24 divisors (see below), whose sum is σ = 37445029056. Its totient is φ = 7793184240.

The previous prime is 20132402221. The next prime is 20132402237. The reversal of 20132402230 is 3220423102.

It is a junction number, because it is equal to n+sod(n) for n = 20132402198 and 20132402207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132402237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1037862 + ... + 1057081.

It is an arithmetic number, because the mean of its divisors is an integer number (1560209544).

Almost surely, 220132402230 is an apocalyptic number.

20132402230 is a deficient number, since it is larger than the sum of its proper divisors (17312626826).

20132402230 is a wasteful number, since it uses less digits than its factorization.

20132402230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095012 (or 2094981 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20132402230 its reverse (3220423102), we get a palindrome (23352825332).

The spelling of 20132402230 in words is "twenty billion, one hundred thirty-two million, four hundred two thousand, two hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 961 1922 4805 9610 2094943 4189886 10474715 20949430 64943233 129886466 324716165 649432330 2013240223 4026480446 10066201115 20132402230