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20122203031133 = 721049391474933
BaseRepresentation
bin1001001001101000100001…
…10000111000011001011101
32122020122220221000200201212
410210310100300320121131
510114140232433444013
6110444002405114205
74144531643446400
oct444642060703135
978218827020655
1020122203031133
116458862032045
12230b9990b8965
13b2c691a21308
144d7cc3dcdd37
1524d6584566a8
hex124d10c3865d

20122203031133 has 12 divisors (see below), whose sum is σ = 23429774799900. Its totient is φ = 17231160606912.

The previous prime is 20122203031069. The next prime is 20122203031141. The reversal of 20122203031133 is 33113030222102.

It can be written as a sum of positive squares in 2 ways, for example, as 18301651909849 + 1820551121284 = 4278043^2 + 1349278^2 .

It is not a de Polignac number, because 20122203031133 - 26 = 20122203031069 is a prime.

It is a super-2 number, since 2×201222030311332 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20122203031099 and 20122203031108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122203031033) 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, 195686066 + ... + 195788867.

It is an arithmetic number, because the mean of its divisors is an integer number (1952481233325).

Almost surely, 220122203031133 is an apocalyptic number.

It is an amenable number.

20122203031133 is a deficient number, since it is larger than the sum of its proper divisors (3307571768767).

20122203031133 is a wasteful number, since it uses less digits than its factorization.

20122203031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391475996 (or 391475989 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20122203031133 its reverse (33113030222102), we get a palindrome (53235233253235).

The spelling of 20122203031133 in words is "twenty trillion, one hundred twenty-two billion, two hundred three million, thirty-one thousand, one hundred thirty-three".

Divisors: 1 7 49 1049 7343 51401 391474933 2740324531 19182271717 410657204717 2874600433019 20122203031133