Base | Representation |
---|---|
bin | 1110001011001101110… |
… | …00101001100111110001 |
3 | 1201120011212111002100001 |
4 | 13011212320221213301 |
5 | 30434443200243100 |
6 | 1011430123030001 |
7 | 50121510566164 |
oct | 7054670514761 |
9 | 1646155432301 |
10 | 487057431025 |
11 | 178618249900 |
12 | 7a48a66b301 |
13 | 36c10936939 |
14 | 19806367adb |
15 | ca09777d6a |
hex | 7166e299f1 |
487057431025 has 27 divisors (see below), whose sum is σ = 663899523553. Its totient is φ = 354195670400.
The previous prime is 487057430971. The next prime is 487057431059. The reversal of 487057431025 is 520134750784.
The square root of 487057431025 is 697895.
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 149268640609 + 337788790416 = 386353^2 + 581196^2 .
It is a de Polignac number, because none of the positive numbers 2k-487057431025 is a prime.
It is a super-2 number, since 2×4870574310252 (a number of 24 digits) contains 22 as substring.
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, 38377881 + ... + 38390569.
Almost surely, 2487057431025 is an apocalyptic number.
487057431025 is the 697895-th square number.
487057431025 is the 348948-th centered octagonal number.
It is an amenable number.
487057431025 is a deficient number, since it is larger than the sum of its proper divisors (176842092528).
487057431025 is an frugal number, since it uses more digits than its factorization.
487057431025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25410 (or 12705 counting only the distinct ones).
The product of its (nonzero) digits is 940800, while the sum is 46.
The spelling of 487057431025 in words is "four hundred eighty-seven billion, fifty-seven million, four hundred thirty-one thousand, twenty-five".
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