Search a number
-
+
52020552540125 = 5313181176865457
BaseRepresentation
bin10111101001111111110101…
…00011100001111111011101
320211012010010202020022220202
423310333322203201333131
523304301042422241000
6302345524550353245
713646234533554221
oct1364777243417735
9224163122208822
1052020552540125
1115636879810524
125a01b2195b825
132304694c816a0
14cbbb458d0781
1560329214ddd5
hex2f4ffa8e1fdd

52020552540125 has 32 divisors (see below), whose sum is σ = 70301897169504. Its totient is φ = 38202938496000.

The previous prime is 52020552540109. The next prime is 52020552540149. The reversal of 52020552540125 is 52104525502025.

It can be written as a sum of positive squares in 16 ways, for example, as 48415517431876 + 3605035108249 = 6958126^2 + 1898693^2 .

It is not a de Polignac number, because 52020552540125 - 24 = 52020552540109 is a prime.

It is a super-2 number, since 2×520205525401252 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88138604 + ... + 88726853.

It is an arithmetic number, because the mean of its divisors is an integer number (2196934286547).

Almost surely, 252020552540125 is an apocalyptic number.

It is an amenable number.

52020552540125 is a deficient number, since it is larger than the sum of its proper divisors (18281344629379).

52020552540125 is a wasteful number, since it uses less digits than its factorization.

52020552540125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176865666 (or 176865656 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 52020552540125 in words is "fifty-two trillion, twenty billion, five hundred fifty-two million, five hundred forty thousand, one hundred twenty-five".

Divisors: 1 5 13 25 65 125 181 325 905 1625 2353 4525 11765 22625 58825 294125 176865457 884327285 2299250941 4421636425 11496254705 22108182125 32012647717 57481273525 160063238585 287406367625 416164420321 800316192925 2080822101605 4001580964625 10404110508025 52020552540125