Base | Representation |
---|---|
bin | 1110001011110100000… |
… | …01011111011010101001 |
3 | 1201121000020122212121021 |
4 | 13011322001133122221 |
5 | 30441122400000000 |
6 | 1011522033012441 |
7 | 50132460012661 |
oct | 7057201373251 |
9 | 1647006585537 |
10 | 487378515625 |
11 | 178772514481 |
12 | 7a55a0b4121 |
13 | 36c62307721 |
14 | 19836c691a1 |
15 | ca27a4e11a |
hex | 717a05f6a9 |
487378515625 has 27 divisors (see below), whose sum is σ = 609768730767. Its totient is φ = 389553750000.
The previous prime is 487378515577. The next prime is 487378515671. The reversal of 487378515625 is 526515873784.
It is a happy number.
The square root of 487378515625 is 698125.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 13 ways, for example, as 59081566489 + 428296949136 = 243067^2 + 654444^2 .
It is not a de Polignac number, because 487378515625 - 213 = 487378507433 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 436327567 + ... + 436328683.
Almost surely, 2487378515625 is an apocalyptic number.
487378515625 is the 698125-th square number.
487378515625 is the 349063-rd centered octagonal number.
It is an amenable number.
487378515625 is a deficient number, since it is larger than the sum of its proper divisors (122390215142).
487378515625 is an frugal number, since it uses more digits than its factorization.
487378515625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2274 (or 1122 counting only the distinct ones).
The product of its digits is 56448000, while the sum is 61.
The spelling of 487378515625 in words is "four hundred eighty-seven billion, three hundred seventy-eight million, five hundred fifteen thousand, six hundred twenty-five".
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