Search a number
-
+
52152524581 = 79827798257
BaseRepresentation
bin110000100100100010…
…000101111100100101
311222121121011202020111
4300210202011330211
51323302021241311
635543013333021
73524250100423
oct604442057445
9158547152214
1052152524581
1120132816693
12a135937171
134bc19bb101
14274a570113
151553834d21
hexc24885f25

52152524581 has 8 divisors (see below), whose sum is σ = 52876609920. Its totient is φ = 51430037568.

The previous prime is 52152524573. The next prime is 52152524603. The reversal of 52152524581 is 18542525125.

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 52152524581 - 23 = 52152524573 is a prime.

It is a super-2 number, since 2×521525245812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52152524551) 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, 333796 + ... + 464461.

It is an arithmetic number, because the mean of its divisors is an integer number (6609576240).

Almost surely, 252152524581 is an apocalyptic number.

It is an amenable number.

52152524581 is a deficient number, since it is larger than the sum of its proper divisors (724085339).

52152524581 is an equidigital number, since it uses as much as digits as its factorization.

52152524581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799163.

The product of its digits is 160000, while the sum is 40.

The spelling of 52152524581 in words is "fifty-two billion, one hundred fifty-two million, five hundred twenty-four thousand, five hundred eighty-one".

Divisors: 1 79 827 65333 798257 63062303 660158539 52152524581