Base | Representation |
---|---|
bin | 1111011101111100110… |
… | …11000110110111111101 |
3 | 1212210211110101201012110 |
4 | 13232332123012313331 |
5 | 32201430243120433 |
6 | 1044053453524233 |
7 | 53253315242415 |
oct | 7567633066775 |
9 | 1783743351173 |
10 | 531475754493 |
11 | 195441231742 |
12 | 870061a3679 |
13 | 3b16c196488 |
14 | 1ba1b65d645 |
15 | dc590b7963 |
hex | 7bbe6c6dfd |
531475754493 has 16 divisors (see below), whose sum is σ = 715082820480. Its totient is φ = 351094485504.
The previous prime is 531475754479. The next prime is 531475754501. The reversal of 531475754493 is 394457574135.
It is not a de Polignac number, because 531475754493 - 26 = 531475754429 is a prime.
It is a super-2 number, since 2×5314757544932 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (531475754473) 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, 1188288 + ... + 1573206.
It is an arithmetic number, because the mean of its divisors is an integer number (44692676280).
Almost surely, 2531475754493 is an apocalyptic number.
It is an amenable number.
531475754493 is a deficient number, since it is larger than the sum of its proper divisors (183607065987).
531475754493 is a wasteful number, since it uses less digits than its factorization.
531475754493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 389108.
The product of its digits is 31752000, while the sum is 57.
The spelling of 531475754493 in words is "five hundred thirty-one billion, four hundred seventy-five million, seven hundred fifty-four thousand, four hundred ninety-three".
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