Search a number
-
+
52805888850825 = 32521121335712667
BaseRepresentation
bin11000000000110110101000…
…01111110011101110001001
320220222012020012001110202200
430000123110033303232021
523410132430021211300
6304150405045150413
714060046103220415
oct1400332417635611
9226865205043680
1052805888850825
1115909940678430
125b0a1753bb409
13236075cc84316
14d07b66577d45
15618907e0e200
hex3006d43f3b89

52805888850825 has 36 divisors (see below), whose sum is σ = 103179506462448. Its totient is φ = 25602855199200.

The previous prime is 52805888850823. The next prime is 52805888850833.

52805888850825 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52805888850825 - 21 = 52805888850823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52805888850823) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10667853859 + ... + 10667858808.

Almost surely, 252805888850825 is an apocalyptic number.

52805888850825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52805888850825 is a deficient number, since it is larger than the sum of its proper divisors (50373617611623).

52805888850825 is a wasteful number, since it uses less digits than its factorization.

52805888850825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21335712694 (or 21335712686 counting only the distinct ones).

The product of its (nonzero) digits is 655360000, while the sum is 72.

The spelling of 52805888850825 in words is "fifty-two trillion, eight hundred five billion, eight hundred eighty-eight million, eight hundred fifty thousand, eight hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 33 45 55 75 99 165 225 275 495 825 2475 21335712667 64007138001 106678563335 192021414003 234692839337 320035690005 533392816675 704078518011 960107070015 1173464196685 1600178450025 2112235554033 3520392590055 4800535350075 5867320983425 10561177770165 17601962950275 52805888850825