Base | Representation |
---|---|
bin | 11100110111110000… |
… | …000010001111011100 |
3 | 2222000110011202102212 |
4 | 130313300002033130 |
5 | 1001442012010134 |
6 | 22124035535552 |
7 | 2145132405401 |
oct | 346760021734 |
9 | 88013152385 |
10 | 31000110044 |
11 | 12168832562 |
12 | 6011a5a5b8 |
13 | 2c006403a7 |
14 | 17011c42a8 |
15 | c1682cbce |
hex | 737c023dc |
31000110044 has 12 divisors (see below), whose sum is σ = 55716414264. Its totient is φ = 15081134544.
The previous prime is 31000110017. The next prime is 31000110047. The reversal of 31000110044 is 44001100013.
It is a happy number.
It is a super-2 number, since 2×310001100442 (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 (31000110047) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104729954 + ... + 104730249.
It is an arithmetic number, because the mean of its divisors is an integer number (4643034522).
Almost surely, 231000110044 is an apocalyptic number.
It is an amenable number.
31000110044 is a deficient number, since it is larger than the sum of its proper divisors (24716304220).
31000110044 is a wasteful number, since it uses less digits than its factorization.
31000110044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209460244 (or 209460242 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 31000110044 its reverse (44001100013), we get a palindrome (75001210057).
The spelling of 31000110044 in words is "thirty-one billion, one hundred ten thousand, forty-four".
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