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52143764872784 = 2413250691177273
BaseRepresentation
bin10111101101100101010101…
…00101010001111001010000
320211121220011121222100101212
423312302222211101321100
523313310412301412114
6302522303114315252
713661156050243034
oct1366625245217120
9224556147870355
1052143764872784
1115684056981722
125a21989428b28
13231319c834ac0
14cc3ab37121c4
156065a413bb3e
hex2f6caa951e50

52143764872784 has 20 divisors (see below), whose sum is σ = 108799970936916. Its totient is φ = 24066353018112.

The previous prime is 52143764872777. The next prime is 52143764872789. The reversal of 52143764872784 is 48727846734125.

52143764872784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 23635426810384 + 28508338062400 = 4861628^2 + 5339320^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52143764872789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125345588429 + ... + 125345588844.

Almost surely, 252143764872784 is an apocalyptic number.

It is an amenable number.

52143764872784 is an abundant number, since it is smaller than the sum of its proper divisors (56656206064132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52143764872784 is a wasteful number, since it uses less digits than its factorization.

52143764872784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250691177294 (or 250691177288 counting only the distinct ones).

The product of its digits is 505774080, while the sum is 68.

The spelling of 52143764872784 in words is "fifty-two trillion, one hundred forty-three billion, seven hundred sixty-four million, eight hundred seventy-two thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 13 16 26 52 104 208 250691177273 501382354546 1002764709092 2005529418184 3258985304549 4011058836368 6517970609098 13035941218196 26071882436392 52143764872784