Base | Representation |
---|---|
bin | 1111011110000101010… |
… | …00111011010100100000 |
3 | 1212211000101111020122200 |
4 | 13233002220323110200 |
5 | 32202101400023143 |
6 | 1044104501533200 |
7 | 53255134404024 |
oct | 7570250732440 |
9 | 1784011436580 |
10 | 531546486048 |
11 | 195478152376 |
12 | 87025a14200 |
13 | 3b180a2cc76 |
14 | 1ba26bd2384 |
15 | dc603da1d3 |
hex | 7bc2a3b520 |
531546486048 has 54 divisors (see below), whose sum is σ = 1511620505577. Its totient is φ = 177178037760.
The previous prime is 531546486047. The next prime is 531546486077. The reversal of 531546486048 is 840684645135.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
531546486048 is a `hidden beast` number, since 5 + 3 + 154 + 6 + 486 + 0 + 4 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 431191849104 + 100354636944 = 656652^2 + 316788^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=515532.
It is a junction number, because it is equal to n+sod(n) for n = 531546485985 and 531546486003.
It is not an unprimeable number, because it can be changed into a prime (531546486047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12351288 + ... + 12394248.
Almost surely, 2531546486048 is an apocalyptic number.
It is an amenable number.
531546486048 is an abundant number, since it is smaller than the sum of its proper divisors (980074019529).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
531546486048 is an frugal number, since it uses more digits than its factorization.
531546486048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85938 (or 42966 counting only the distinct ones).
The product of its (nonzero) digits is 11059200, while the sum is 54.
The spelling of 531546486048 in words is "five hundred thirty-one billion, five hundred forty-six million, four hundred eighty-six thousand, forty-eight".
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