Base | Representation |
---|---|
bin | 1110001001001000010001… |
… | …00101000101100001011100 |
3 | 11002010010112121202202001012 |
4 | 13010210020211011201130 |
5 | 13034020301021130022 |
6 | 150051051014234352 |
7 | 6356621021254544 |
oct | 704441045054134 |
9 | 132103477682035 |
10 | 31100002130012 |
11 | 9a00489477392 |
12 | 35a347b9559b8 |
13 | 14479437b1b8a |
14 | 797368c4a324 |
15 | 38deb0a4ade2 |
hex | 1c490894585c |
31100002130012 has 48 divisors (see below), whose sum is σ = 55479986136960. Its totient is φ = 15250142289600.
The previous prime is 31100002129967. The next prime is 31100002130077. The reversal of 31100002130012 is 21003120000113.
It is a super-2 number, since 2×311000021300122 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116024039 + ... + 116291777.
It is an arithmetic number, because the mean of its divisors is an integer number (1155833044520).
Almost surely, 231100002130012 is an apocalyptic number.
It is an amenable number.
31100002130012 is a deficient number, since it is larger than the sum of its proper divisors (24379984006948).
31100002130012 is a wasteful number, since it uses less digits than its factorization.
31100002130012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 269202 (or 269200 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 31100002130012 its reverse (21003120000113), we get a palindrome (52103122130125).
The spelling of 31100002130012 in words is "thirty-one trillion, one hundred billion, two million, one hundred thirty thousand, twelve".
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