Base | Representation |
---|---|
bin | 1110001100111010101… |
… | …11100010100001011001 |
3 | 1201122112120110111121011 |
4 | 13012131113202201121 |
5 | 30443331200414243 |
6 | 1012100534413521 |
7 | 50153250203533 |
oct | 7063527424131 |
9 | 1648476414534 |
10 | 487971498073 |
11 | 178a47209a14 |
12 | 7a6a48012a1 |
13 | 37028117107 |
14 | 19891906853 |
15 | ca5eb3289d |
hex | 719d5e2859 |
487971498073 has 16 divisors (see below), whose sum is σ = 517622562000. Its totient is φ = 458426417152.
The previous prime is 487971498061. The next prime is 487971498103. The reversal of 487971498073 is 370894179784.
It can be written as a sum of positive squares in 8 ways, for example, as 11268247104 + 476703250969 = 106152^2 + 690437^2 .
It is a cyclic number.
It is not a de Polignac number, because 487971498073 - 225 = 487937943641 is a prime.
It is not an unprimeable number, because it can be changed into a prime (487971498043) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22241373 + ... + 22263301.
It is an arithmetic number, because the mean of its divisors is an integer number (32351410125).
Almost surely, 2487971498073 is an apocalyptic number.
It is an amenable number.
487971498073 is a deficient number, since it is larger than the sum of its proper divisors (29651063927).
487971498073 is a wasteful number, since it uses less digits than its factorization.
487971498073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24284.
The product of its (nonzero) digits is 85349376, while the sum is 67.
The spelling of 487971498073 in words is "four hundred eighty-seven billion, nine hundred seventy-one million, four hundred ninety-eight thousand, seventy-three".
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