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20235655351433 = 40772534963061
BaseRepresentation
bin1001001100111011110110…
…00011001000110010001001
32122122111202121120201020202
410212131323003020302021
510123020110232221213
6111012044242101545
74155656255324534
oct446357303106211
978574677521222
1020235655351433
1164a19909a3525
12232998004a8b5
13b3a2a25325a2
144dd5a78bda1b
1525159868db58
hex12677b0c8c89

20235655351433 has 4 divisors (see below), whose sum is σ = 20235664391748. Its totient is φ = 20235646311120.

The previous prime is 20235655351369. The next prime is 20235655351463. The reversal of 20235655351433 is 33415355653202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7992675345424 + 12242980006009 = 2827132^2 + 3498997^2 .

It is a cyclic number.

It is not a de Polignac number, because 20235655351433 - 26 = 20235655351369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20235655351463) 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, 1595723 + ... + 6558783.

It is an arithmetic number, because the mean of its divisors is an integer number (5058916097937).

Almost surely, 220235655351433 is an apocalyptic number.

It is an amenable number.

20235655351433 is a deficient number, since it is larger than the sum of its proper divisors (9040315).

20235655351433 is an equidigital number, since it uses as much as digits as its factorization.

20235655351433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040314.

The product of its (nonzero) digits is 4860000, while the sum is 47.

The spelling of 20235655351433 in words is "twenty trillion, two hundred thirty-five billion, six hundred fifty-five million, three hundred fifty-one thousand, four hundred thirty-three".

Divisors: 1 4077253 4963061 20235655351433