Search a number
-
+
25352234243 = 715723068457
BaseRepresentation
bin10111100111000111…
…000110010100000011
32102102211200221100122
4113213013012110003
5403410132443433
615351402210455
71555152302240
oct274707062403
972384627318
1025352234243
11a82a747906
124ab64b3a2b
1325104c264b
1413270765c7
159d5a9d198
hex5e71c6503

25352234243 has 8 divisors (see below), whose sum is σ = 29158530912. Its totient is φ = 21592074816.

The previous prime is 25352234239. The next prime is 25352234251. The reversal of 25352234243 is 34243225352.

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

It is a cyclic number.

It is not a de Polignac number, because 25352234243 - 22 = 25352234239 is a prime.

It is a super-2 number, since 2×253522342432 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25352234213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11533130 + ... + 11535327.

It is an arithmetic number, because the mean of its divisors is an integer number (3644816364).

Almost surely, 225352234243 is an apocalyptic number.

25352234243 is a deficient number, since it is larger than the sum of its proper divisors (3806296669).

25352234243 is a wasteful number, since it uses less digits than its factorization.

25352234243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23068621.

The product of its digits is 172800, while the sum is 35.

Adding to 25352234243 its reverse (34243225352), we get a palindrome (59595459595).

The spelling of 25352234243 in words is "twenty-five billion, three hundred fifty-two million, two hundred thirty-four thousand, two hundred forty-three".

Divisors: 1 7 157 1099 23068457 161479199 3621747749 25352234243