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90495247384201 = 11429227112
BaseRepresentation
bin10100100100111000010001…
…000100101111111010001001
3102212102021001101102002110111
4110210320101010233322021
543330133231312243301
6520244535343514321
725030031410005502
oct2444702104577211
9385367041362414
1090495247384201
112691a900a40000
12a1967032b89a1
133b658856147ba
14184bdc9a3dba9
15a6dec8122551
hex524e1112fe89

90495247384201 has 45 divisors (see below), whose sum is σ = 103133117557015. Its totient is φ = 79402265373200.

The previous prime is 90495247384187. The next prime is 90495247384207. The reversal of 90495247384201 is 10248374259409.

The square root of 90495247384201 is 9512899.

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

It can be written as a sum of positive squares in only one way, i.e., 47453512599801 + 43041734784400 = 6888651^2 + 6560620^2 .

It is not a de Polignac number, because 90495247384201 - 25 = 90495247384169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90495247384207) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 33380761236 + ... + 33380763946.

Almost surely, 290495247384201 is an apocalyptic number.

90495247384201 is the 9512899-th square number.

90495247384201 is the 4756450-th centered octagonal number.

It is an amenable number.

90495247384201 is a deficient number, since it is larger than the sum of its proper divisors (12637870172814).

90495247384201 is an frugal number, since it uses more digits than its factorization.

90495247384201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524 (or 2751 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 90495247384201 in words is "ninety trillion, four hundred ninety-five billion, two hundred forty-seven million, three hundred eighty-four thousand, two hundred one".

Divisors: 1 11 29 121 319 841 1331 2711 3509 9251 14641 29821 38599 78619 101761 328031 424589 864809 1119371 2279951 3608341 7349521 9512899 12313081 25079461 39691751 80844731 104641889 213136109 275874071 889292041 1151060779 2344497199 3034614781 6180947161 9782212451 25789469189 33380762591 67990418771 107604336961 283684161079 747894606481 3120525771869 8226840671291 90495247384201