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52420341164423 = 291807597971187
BaseRepresentation
bin10111110101101000011111…
…10100000110100110000111
320212121100001201001200221212
423322310033310012212013
523332323324314230143
6303253323340202035
714020146631031441
oct1372641764064607
9225540051050855
1052420341164423
1115780383aa0161
125a674b623931b
1323332a888193b
14cd322d98d491
1560d8901e2918
hex2fad0fd06987

52420341164423 has 4 divisors (see below), whose sum is σ = 54227939135640. Its totient is φ = 50612743193208.

The previous prime is 52420341164381. The next prime is 52420341164449. The reversal of 52420341164423 is 32446114302425.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52420341164423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52420341166423) 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, 903798985565 + ... + 903798985622.

It is an arithmetic number, because the mean of its divisors is an integer number (13556984783910).

Almost surely, 252420341164423 is an apocalyptic number.

52420341164423 is a deficient number, since it is larger than the sum of its proper divisors (1807597971217).

52420341164423 is a wasteful number, since it uses less digits than its factorization.

52420341164423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807597971216.

The product of its (nonzero) digits is 552960, while the sum is 41.

Adding to 52420341164423 its reverse (32446114302425), we get a palindrome (84866455466848).

The spelling of 52420341164423 in words is "fifty-two trillion, four hundred twenty billion, three hundred forty-one million, one hundred sixty-four thousand, four hundred twenty-three".

Divisors: 1 29 1807597971187 52420341164423