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52115315625673 = 107487059024539
BaseRepresentation
bin10111101100110000010101…
…11000000000111011001001
320211112011201221200212001221
423312120022320000323021
523312324131300010143
6302501240120242041
713656131050523446
oct1366301270007311
9224464657625057
1052115315625673
1115672a88033253
125a18369910321
1323105b7821c81
14cc257521c9cd
1560598b7352ed
hex2f660ae00ec9

52115315625673 has 4 divisors (see below), whose sum is σ = 52602374650320. Its totient is φ = 51628256601028.

The previous prime is 52115315625649. The next prime is 52115315625689. The reversal of 52115315625673 is 37652651351125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52115315625673 is a prime.

It is a super-2 number, since 2×521153156256732 (a number of 28 digits) contains 22 as substring.

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 52115315625673.

It is not an unprimeable number, because it can be changed into a prime (52115315620673) 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, 243529512163 + ... + 243529512376.

It is an arithmetic number, because the mean of its divisors is an integer number (13150593662580).

Almost surely, 252115315625673 is an apocalyptic number.

It is an amenable number.

52115315625673 is a deficient number, since it is larger than the sum of its proper divisors (487059024647).

52115315625673 is a wasteful number, since it uses less digits than its factorization.

52115315625673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487059024646.

The product of its digits is 5670000, while the sum is 52.

Adding to 52115315625673 its reverse (37652651351125), we get a palindrome (89767966976798).

The spelling of 52115315625673 in words is "fifty-two trillion, one hundred fifteen billion, three hundred fifteen million, six hundred twenty-five thousand, six hundred seventy-three".

Divisors: 1 107 487059024539 52115315625673