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52781464024325 = 522111258560973
BaseRepresentation
bin11000000000001001001000…
…11010011111010100000101
320220212212011222102201122222
430000010210122133110011
523404232414242234300
6304131245252302125
714055222611504621
oct1400044432372405
9226785158381588
1052781464024325
11158aa547482803
125b05499611945
13235b36996346a
14d068ca754181
15617e789a3785
hex30012469f505

52781464024325 has 6 divisors (see below), whose sum is σ = 65449015390194. Its totient is φ = 42225171219440.

The previous prime is 52781464024277. The next prime is 52781464024339. The reversal of 52781464024325 is 52342046418725.

It can be written as a sum of positive squares in 3 ways, for example, as 18650081393476 + 34131382630849 = 4318574^2 + 5842207^2 .

It is not a de Polignac number, because 52781464024325 - 216 = 52781463958789 is a prime.

It is a super-2 number, since 2×527814640243252 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1055629280462 + ... + 1055629280511.

It is an arithmetic number, because the mean of its divisors is an integer number (10908169231699).

Almost surely, 252781464024325 is an apocalyptic number.

It is an amenable number.

52781464024325 is a deficient number, since it is larger than the sum of its proper divisors (12667551365869).

52781464024325 is a wasteful number, since it uses less digits than its factorization.

52781464024325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111258560983 (or 2111258560978 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 53.

The spelling of 52781464024325 in words is "fifty-two trillion, seven hundred eighty-one billion, four hundred sixty-four million, twenty-four thousand, three hundred twenty-five".

Divisors: 1 5 25 2111258560973 10556292804865 52781464024325