Search a number
-
+
36542440525 = 521785982213
BaseRepresentation
bin100010000010000110…
…010110010001001101
310111022201001022120011
4202002012112101031
51044314331044100
624442023153221
72432361422323
oct420206262115
9114281038504
1036542440525
1114552289478
1270b9ba5811
1335a4955596
141aa92d9d13
15e3d1aebba
hex88219644d

36542440525 has 12 divisors (see below), whose sum is σ = 47978075412. Its totient is φ = 27514307840.

The previous prime is 36542440523. The next prime is 36542440537. The reversal of 36542440525 is 52504424563.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2088398601 + 34454041924 = 45699^2 + 185618^2 .

It is not a de Polignac number, because 36542440525 - 21 = 36542440523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36542440523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42990682 + ... + 42991531.

It is an arithmetic number, because the mean of its divisors is an integer number (3998172951).

Almost surely, 236542440525 is an apocalyptic number.

It is an amenable number.

36542440525 is a deficient number, since it is larger than the sum of its proper divisors (11435634887).

36542440525 is a wasteful number, since it uses less digits than its factorization.

36542440525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85982240 (or 85982235 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 36542440525 in words is "thirty-six billion, five hundred forty-two million, four hundred forty thousand, five hundred twenty-five".

Divisors: 1 5 17 25 85 425 85982213 429911065 1461697621 2149555325 7308488105 36542440525