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487652219041 = 132537172
BaseRepresentation
bin1110001100010100101…
…01100101100010100001
31201121201022200110002211
413012022111211202201
530442202432002131
61012005131242121
750142322320061
oct7061225454241
91647638613084
10487652219041
111788a2a67949
127a6158a9341
1336ca6c29100
14198613553a1
15ca41ab65b1
hex718a5658a1

487652219041 has 9 divisors (see below), whose sum is σ = 528059274681. Its totient is φ = 450132130032.

The previous prime is 487652219009. The next prime is 487652219057. The reversal of 487652219041 is 140912256784.

The square root of 487652219041 is 698321.

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 71678817441 + 415973401600 = 267729^2 + 644960^2 .

It is not a de Polignac number, because 487652219041 - 25 = 487652219009 is a prime.

It is a super-2 number, since 2×4876522190412 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487652219141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9051315 + ... + 9105031.

Almost surely, 2487652219041 is an apocalyptic number.

487652219041 is the 698321-st square number.

487652219041 is the 349161-st centered octagonal number.

It is an amenable number.

487652219041 is a deficient number, since it is larger than the sum of its proper divisors (40407055640).

487652219041 is an frugal number, since it uses more digits than its factorization.

487652219041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107460 (or 53730 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

Multiplying 487652219041 by its sum of digits (49), we get a square (23894958733009 = 48882472).

The spelling of 487652219041 in words is "four hundred eighty-seven billion, six hundred fifty-two million, two hundred nineteen thousand, forty-one".

Divisors: 1 13 169 53717 698321 9078173 2885516089 37511709157 487652219041