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52504450311 = 3111031157627
BaseRepresentation
bin110000111001100000…
…100101010100000111
312000112010101102120210
4300321200211110013
51330012114402221
640041544330503
73536052315105
oct607140452407
9160463342523
1052504450311
11202a34366a5
12a213773a33
134c498999a1
1427811bcc75
15157469e276
hexc39825507

52504450311 has 8 divisors (see below), whose sum is σ = 70007008384. Its totient is φ = 35002429560.

The previous prime is 52504450307. The next prime is 52504450333. The reversal of 52504450311 is 11305440525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52504450311 - 22 = 52504450307 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 (52504450351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254280 + ... + 411906.

It is an arithmetic number, because the mean of its divisors is an integer number (8750876048).

Almost surely, 252504450311 is an apocalyptic number.

52504450311 is a deficient number, since it is larger than the sum of its proper divisors (17502558073).

52504450311 is a wasteful number, since it uses less digits than its factorization.

52504450311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268661.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 52504450311 its reverse (11305440525), we get a palindrome (63809890836).

The spelling of 52504450311 in words is "fifty-two billion, five hundred four million, four hundred fifty thousand, three hundred eleven".

Divisors: 1 3 111031 157627 333093 472881 17501483437 52504450311