Search a number
-
+
52454230520213 = 239219473767867
BaseRepresentation
bin10111110110100111100111…
…10001101111000110010101
320212201120112111212100110102
423323103303301233012111
523333402231003121323
6303321050230503445
714022456505560134
oct1373236361570625
9225646474770412
1052454230520213
1115793794716815
125a71b93804b85
132336549968aa2
14cd4b2678991b
1560e6c54d8328
hex2fb4f3c6f195

52454230520213 has 4 divisors (see below), whose sum is σ = 52673704288320. Its totient is φ = 52234756752108.

The previous prime is 52454230520101. The next prime is 52454230520299. The reversal of 52454230520213 is 31202503245425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52454230520213 - 222 = 52454226325909 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 (52454230540213) 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, 109736883695 + ... + 109736884172.

It is an arithmetic number, because the mean of its divisors is an integer number (13168426072080).

Almost surely, 252454230520213 is an apocalyptic number.

It is an amenable number.

52454230520213 is a deficient number, since it is larger than the sum of its proper divisors (219473768107).

52454230520213 is a wasteful number, since it uses less digits than its factorization.

52454230520213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219473768106.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 52454230520213 its reverse (31202503245425), we get a palindrome (83656733765638).

The spelling of 52454230520213 in words is "fifty-two trillion, four hundred fifty-four billion, two hundred thirty million, five hundred twenty thousand, two hundred thirteen".

Divisors: 1 239 219473767867 52454230520213