Base | Representation |
---|---|
bin | 1101111011011111011101… |
… | …01000010011110100111010 |
3 | 11000110100001000001001001212 |
4 | 12331233232220103310322 |
5 | 13003331114311112104 |
6 | 145051513345043122 |
7 | 6311022012224000 |
oct | 675575650236472 |
9 | 130410030031055 |
10 | 30631415332154 |
11 | 983a78a43967a |
12 | 35286a70264a2 |
13 | 14126b774aba0 |
14 | 77c7d5a1ca70 |
15 | 381bd7b4336e |
hex | 1bdbeea13d3a |
30631415332154 has 64 divisors (see below), whose sum is σ = 57708980448000. Its totient is φ = 12116959210944.
The previous prime is 30631415332129. The next prime is 30631415332181. The reversal of 30631415332154 is 45123351413603.
It is a super-2 number, since 2×306314153321542 (a number of 28 digits) contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117757124 + ... + 118016960.
It is an arithmetic number, because the mean of its divisors is an integer number (901702819500).
Almost surely, 230631415332154 is an apocalyptic number.
30631415332154 is a deficient number, since it is larger than the sum of its proper divisors (27077565115846).
30631415332154 is a wasteful number, since it uses less digits than its factorization.
30631415332154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 273092 (or 273078 counting only the distinct ones).
The product of its (nonzero) digits is 388800, while the sum is 41.
Adding to 30631415332154 its reverse (45123351413603), we get a palindrome (75754766745757).
The spelling of 30631415332154 in words is "thirty trillion, six hundred thirty-one billion, four hundred fifteen million, three hundred thirty-two thousand, one hundred fifty-four".
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