Base | Representation |
---|---|
bin | 11101010010001110… |
… | …110111110010011110 |
3 | 10000011102012002110221 |
4 | 131102032313302132 |
5 | 1003344231320220 |
6 | 22240110351554 |
7 | 2162136000250 |
oct | 352216676236 |
9 | 100142162427 |
10 | 31444401310 |
11 | 123765aa123 |
12 | 61167bb5ba |
13 | 2c716bb82a |
14 | 17441d7cd0 |
15 | c4083e9aa |
hex | 7523b7c9e |
31444401310 has 64 divisors (see below), whose sum is σ = 68160268800. Its totient is φ = 10203000192.
The previous prime is 31444401301. The next prime is 31444401311. The reversal of 31444401310 is 1310444413.
It is a super-2 number, since 2×314444013102 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31444401311) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1335621 + ... + 1358959.
It is an arithmetic number, because the mean of its divisors is an integer number (1065004200).
Almost surely, 231444401310 is an apocalyptic number.
31444401310 is an abundant number, since it is smaller than the sum of its proper divisors (36715867490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31444401310 is a wasteful number, since it uses less digits than its factorization.
31444401310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24385.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 31444401310 its reverse (1310444413), we get a palindrome (32754845723).
The spelling of 31444401310 in words is "thirty-one billion, four hundred forty-four million, four hundred one thousand, three hundred ten".
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