Search a number
-
+
52581008353001 = 1729181757586801
BaseRepresentation
bin10111111010010011110000…
…10100110010011011101001
320220011200202212201112121212
423331021320110302123221
523342441401114244001
6303455214243442505
714034565255431032
oct1375117024623351
9226150685645555
1052581008353001
1115832531481a37
125a92675386435
1323454a21100ab
14cdad11d39a89
15612b455207bb
hex2fd2785326e9

52581008353001 has 16 divisors (see below), whose sum is σ = 57594217274640. Its totient is φ = 47781180518400.

The previous prime is 52581008352979. The next prime is 52581008353009. The reversal of 52581008353001 is 10035380018525.

It can be written as a sum of positive squares in 8 ways, for example, as 2349046675600 + 50231961677401 = 1532660^2 + 7087451^2 .

It is a cyclic number.

It is not a de Polignac number, because 52581008353001 - 214 = 52581008336617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52581008353001.

It is not an unprimeable number, because it can be changed into a prime (52581008353009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89312801 + ... + 89899601.

It is an arithmetic number, because the mean of its divisors is an integer number (3599638579665).

Almost surely, 252581008353001 is an apocalyptic number.

It is an amenable number.

52581008353001 is a deficient number, since it is larger than the sum of its proper divisors (5013208921639).

52581008353001 is a wasteful number, since it uses less digits than its factorization.

52581008353001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768604.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 52581008353001 in words is "fifty-two trillion, five hundred eighty-one billion, eight million, three hundred fifty-three thousand, one".

Divisors: 1 17 29 493 181757 586801 3089869 5270953 9975617 17017229 89606201 289292893 106655189357 1813138219069 3093000491353 52581008353001