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52123232125 = 53499835643
BaseRepresentation
bin110000100010110010…
…010110011101111101
311222112120001112112201
4300202302112131331
51323222021412000
635540045431501
73523443106606
oct604262263575
9158476045481
1052123232125
1120118229848
12a127b6b591
134bb89031b3
142746706dad
151550e9a96a
hexc22c9677d

52123232125 has 16 divisors (see below), whose sum is σ = 65180232000. Its totient is φ = 41614971600.

The previous prime is 52123232123. The next prime is 52123232129.

52123232125 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52123232125 - 21 = 52123232123 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 52123232093 and 52123232102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52123232123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355447 + ... + 480196.

It is an arithmetic number, because the mean of its divisors is an integer number (4073764500).

Almost surely, 252123232125 is an apocalyptic number.

It is an amenable number.

52123232125 is a deficient number, since it is larger than the sum of its proper divisors (13056999875).

52123232125 is an equidigital number, since it uses as much as digits as its factorization.

52123232125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836157 (or 836147 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The spelling of 52123232125 in words is "fifty-two billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred twenty-five".

Divisors: 1 5 25 125 499 2495 12475 62375 835643 4178215 20891075 104455375 416985857 2084929285 10424646425 52123232125