Search a number
-
+
52075122361 = 70393739777
BaseRepresentation
bin110000011111111010…
…110100111010111001
311222102012112022100121
4300133322310322321
51323122212403421
635531210333241
73522320144113
oct603772647271
9158365468317
1052075122361
11200a305a209
12a113a2a221
134bab95a292
1427401823b3
15154bb45d41
hexc1feb4eb9

52075122361 has 4 divisors (see below), whose sum is σ = 52075932532. Its totient is φ = 52074312192.

The previous prime is 52075122293. The next prime is 52075122389. The reversal of 52075122361 is 16322157025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19321000000 + 32754122361 = 139000^2 + 180981^2 .

It is a cyclic number.

It is not a de Polignac number, because 52075122361 - 233 = 43485187769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52075122161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299496 + ... + 440281.

It is an arithmetic number, because the mean of its divisors is an integer number (13018983133).

Almost surely, 252075122361 is an apocalyptic number.

It is an amenable number.

52075122361 is a deficient number, since it is larger than the sum of its proper divisors (810171).

52075122361 is an equidigital number, since it uses as much as digits as its factorization.

52075122361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810170.

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 52075122361 its reverse (16322157025), we get a palindrome (68397279386).

The spelling of 52075122361 in words is "fifty-two billion, seventy-five million, one hundred twenty-two thousand, three hundred sixty-one".

Divisors: 1 70393 739777 52075122361