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52151415125 = 53417211321
BaseRepresentation
bin110000100100011101…
…110111000101010101
311222121112002101100112
4300210131313011111
51323301230241000
635542533452405
73524234500025
oct604435670525
9158545071315
1052151415125
1120132129087
12a1354a1105
134bc16c0124
14274a361a85
1515536b6235
hexc24777155

52151415125 has 8 divisors (see below), whose sum is σ = 65084966232. Its totient is φ = 41721132000.

The previous prime is 52151415109. The next prime is 52151415133.

52151415125 is nontrivially palindromic in base 10.

52151415125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4735917124 + 47415498001 = 68818^2 + 217751^2 .

It is not a de Polignac number, because 52151415125 - 24 = 52151415109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52151415091 and 52151415100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208605536 + ... + 208605785.

It is an arithmetic number, because the mean of its divisors is an integer number (8135620779).

Almost surely, 252151415125 is an apocalyptic number.

It is an amenable number.

52151415125 is a deficient number, since it is larger than the sum of its proper divisors (12933551107).

52151415125 is an equidigital number, since it uses as much as digits as its factorization.

52151415125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417211336 (or 417211326 counting only the distinct ones).

The product of its digits is 10000, while the sum is 32.

The spelling of 52151415125 in words is "fifty-two billion, one hundred fifty-one million, four hundred fifteen thousand, one hundred twenty-five".

Divisors: 1 5 25 125 417211321 2086056605 10430283025 52151415125