Search a number
-
+
52641721353 = 3131349787727
BaseRepresentation
bin110001000001101100…
…001110110000001001
312000212200200112001110
4301001230032300021
51330302240040403
640103330440533
73542340151164
oct610154166011
9160780615043
1052641721353
1120363974441
12a251733149
134c6c15cb60
142795512adb
151581767103
hexc41b0ec09

52641721353 has 8 divisors (see below), whose sum is σ = 75588112768. Its totient is φ = 32394905424.

The previous prime is 52641721351. The next prime is 52641721373. The reversal of 52641721353 is 35312714625.

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

It is not a de Polignac number, because 52641721353 - 21 = 52641721351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1349787727 = 52641721353 / (5 + 2 + 6 + 4 + 1 + 7 + 2 + 1 + 3 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52641721351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674893825 + ... + 674893902.

It is an arithmetic number, because the mean of its divisors is an integer number (9448514096).

Almost surely, 252641721353 is an apocalyptic number.

It is an amenable number.

52641721353 is a deficient number, since it is larger than the sum of its proper divisors (22946391415).

52641721353 is a wasteful number, since it uses less digits than its factorization.

52641721353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349787743.

The product of its digits is 151200, while the sum is 39.

The spelling of 52641721353 in words is "fifty-two billion, six hundred forty-one million, seven hundred twenty-one thousand, three hundred fifty-three".

Divisors: 1 3 13 39 1349787727 4049363181 17547240451 52641721353