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33130020230 = 2531313557613
BaseRepresentation
bin11110110110101100…
…111111110110000110
310011111212222101221022
4132312230333312012
51020322241121410
623115243151142
72251664345156
oct366654776606
9104455871838
1033130020230
111306103a60a
1265072154b2
13317c9a1388
141864018766
15cdd802455
hex7b6b3fd86

33130020230 has 64 divisors (see below), whose sum is σ = 61966176768. Its totient is φ = 12739783680.

The previous prime is 33130020169. The next prime is 33130020233. The reversal of 33130020230 is 3202003133.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33130020199 and 33130020208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130020233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54045404 + ... + 54046016.

It is an arithmetic number, because the mean of its divisors is an integer number (968221512).

Almost surely, 233130020230 is an apocalyptic number.

33130020230 is a deficient number, since it is larger than the sum of its proper divisors (28836156538).

33130020230 is a wasteful number, since it uses less digits than its factorization.

33130020230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 33130020230 its reverse (3202003133), we get a palindrome (36332023363).

The spelling of 33130020230 in words is "thirty-three billion, one hundred thirty million, twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 313 557 613 626 1114 1226 1565 2785 3065 3130 5570 6130 9703 17267 19003 19406 34534 38006 48515 86335 95015 97030 172670 174341 190030 191869 341441 348682 383738 682882 871705 959345 1707205 1743410 1918690 3414410 5404571 5947939 10584671 10809142 11895878 21169342 27022855 29739695 52923355 54045710 59479390 105846710 106871033 213742066 534355165 1068710330 3313002023 6626004046 16565010115 33130020230