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20441512451033 = 161312672977341
BaseRepresentation
bin1001010010111011010010…
…00101101001101111011001
32200101012010011000212220222
410221131221011221233121
510134403204141413113
6111250411242125425
74206564506646632
oct451355105515731
980335104025828
1020441512451033
116571218962303
1223618511b0875
13b5381b135c6b
14509535812889
15256ae5e1ee08
hex129769169bd9

20441512451033 has 4 divisors (see below), whose sum is σ = 20454185429988. Its totient is φ = 20428839472080.

The previous prime is 20441512451029. The next prime is 20441512451047. The reversal of 20441512451033 is 33015421514402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12857481147289 + 7584031303744 = 3585733^2 + 2753912^2 .

It is a cyclic number.

It is not a de Polignac number, because 20441512451033 - 22 = 20441512451029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20441512450984 and 20441512451002.

It is not an unprimeable number, because it can be changed into a prime (20441512451533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6336487058 + ... + 6336490283.

It is an arithmetic number, because the mean of its divisors is an integer number (5113546357497).

Almost surely, 220441512451033 is an apocalyptic number.

It is an amenable number.

20441512451033 is a deficient number, since it is larger than the sum of its proper divisors (12672978955).

20441512451033 is a wasteful number, since it uses less digits than its factorization.

20441512451033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12672978954.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 20441512451033 its reverse (33015421514402), we get a palindrome (53456933965435).

The spelling of 20441512451033 in words is "twenty trillion, four hundred forty-one billion, five hundred twelve million, four hundred fifty-one thousand, thirty-three".

Divisors: 1 1613 12672977341 20441512451033