Base | Representation |
---|---|
bin | 11011000110101101010… |
… | …11001101111100101001 |
3 | 10022000212220201001100202 |
4 | 31203112223031330221 |
5 | 110224313013330411 |
6 | 1551501235441545 |
7 | 124166562252533 |
oct | 15432653157451 |
9 | 3260786631322 |
10 | 931314589481 |
11 | 329a71896411 |
12 | 1305b34562b5 |
13 | 69a902c69b3 |
14 | 3310c26c853 |
15 | 1935b77883b |
hex | d8d6acdf29 |
931314589481 has 16 divisors (see below), whose sum is σ = 965296550400. Its totient is φ = 897458885568.
The previous prime is 931314589459. The next prime is 931314589487. The reversal of 931314589481 is 184985413139.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 931314589481 - 26 = 931314589417 is a prime.
It is a super-2 number, since 2×9313145894812 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (931314589487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32014715 + ... + 32043791.
It is an arithmetic number, because the mean of its divisors is an integer number (60331034400).
Almost surely, 2931314589481 is an apocalyptic number.
It is an amenable number.
931314589481 is a deficient number, since it is larger than the sum of its proper divisors (33981960919).
931314589481 is a wasteful number, since it uses less digits than its factorization.
931314589481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31208.
The product of its digits is 3732480, while the sum is 56.
The spelling of 931314589481 in words is "nine hundred thirty-one billion, three hundred fourteen million, five hundred eighty-nine thousand, four hundred eighty-one".
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