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20113133033 = 731263352423
BaseRepresentation
bin10010101110110101…
…100000110111101001
31220220201102000121002
4102232311200313221
5312142430224113
613123450124345
71311264544550
oct225665406751
956821360532
1020113133033
1185913805a4
123a93a206b5
131b86c69066
14d8b334d97
157cab66c58
hex4aed60de9

20113133033 has 16 divisors (see below), whose sum is σ = 23818223616. Its totient is φ = 16620221520.

The previous prime is 20113133011. The next prime is 20113133063. The reversal of 20113133033 is 33033131102.

It is not a de Polignac number, because 20113133033 - 28 = 20113132777 is a prime.

It is a super-3 number, since 3×201131330333 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20113132996 and 20113133014.

It is not an unprimeable number, because it can be changed into a prime (20113133003) 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 15 ways as a sum of consecutive naturals, for example, 119141 + ... + 233282.

It is an arithmetic number, because the mean of its divisors is an integer number (1488638976).

Almost surely, 220113133033 is an apocalyptic number.

It is an amenable number.

20113133033 is a deficient number, since it is larger than the sum of its proper divisors (3705090583).

20113133033 is a wasteful number, since it uses less digits than its factorization.

20113133033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352724.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 20113133033 its reverse (33033131102), we get a palindrome (53146264135).

The spelling of 20113133033 in words is "twenty billion, one hundred thirteen million, one hundred thirty-three thousand, thirty-three".

Divisors: 1 7 31 217 263 1841 8153 57071 352423 2466961 10925113 76475791 92687249 648810743 2873304719 20113133033