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48486641665225 = 52412339672
BaseRepresentation
bin10110000011001001011010…
…00011011000010011001001
320100200021111102110102001111
423001210231003120103021
522323401120231241400
6251042242232050321
713133021116005121
oct1301445503302311
9210607442412044
1048486641665225
11144a40841a3105
1255310522339a1
132109369923b8a
14bd8aa1bb5c81
155913aeb803ba
hex2c192d0d84c9

48486641665225 has 27 divisors (see below), whose sum is σ = 61627441727541. Its totient is φ = 37842118401600.

The previous prime is 48486641665183. The next prime is 48486641665249. The reversal of 48486641665225 is 52256614668484.

It is a happy number.

The square root of 48486641665225 is 6963235.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 20408809147321 + 28077832517904 = 4517611^2 + 5298852^2 .

It is not a de Polignac number, because 48486641665225 - 219 = 48486641140937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 1427446192 + ... + 1427480158.

Almost surely, 248486641665225 is an apocalyptic number.

48486641665225 is the 6963235-th square number.

48486641665225 is the 3481618-th centered octagonal number.

It is an amenable number.

48486641665225 is a deficient number, since it is larger than the sum of its proper divisors (13140800062316).

48486641665225 is an frugal number, since it uses more digits than its factorization.

48486641665225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68026 (or 34013 counting only the distinct ones).

The product of its digits is 530841600, while the sum is 67.

The spelling of 48486641665225 in words is "forty-eight trillion, four hundred eighty-six billion, six hundred forty-one million, six hundred sixty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 41 205 1025 1681 8405 33967 42025 169835 849175 1392647 6963235 34816175 57098527 285492635 1153757089 1427463175 5768785445 28843927225 47304040649 236520203245 1182601016225 1939465666609 9697328333045 48486641665225