Base | Representation |
---|---|
bin | 11100111110100100… |
… | …000110001100100110 |
3 | 2222022102021100122002 |
4 | 130332210012030212 |
5 | 1002210242433110 |
6 | 22143242005302 |
7 | 2151021133520 |
oct | 347644061446 |
9 | 88272240562 |
10 | 31114421030 |
11 | 12217309050 |
12 | 60441a6832 |
13 | 2c1b224a24 |
14 | 171245ca10 |
15 | c218acaa5 |
hex | 73e906326 |
31114421030 has 128 divisors (see below), whose sum is σ = 72367810560. Its totient is φ = 9346176000.
The previous prime is 31114421029. The next prime is 31114421047. The reversal of 31114421030 is 3012441113.
It is a junction number, because it is equal to n+sod(n) for n = 31114420993 and 31114421011.
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 63 ways as a sum of consecutive naturals, for example, 16992215 + ... + 16994045.
It is an arithmetic number, because the mean of its divisors is an integer number (565373520).
Almost surely, 231114421030 is an apocalyptic number.
31114421030 is an abundant number, since it is smaller than the sum of its proper divisors (41253389530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31114421030 is a wasteful number, since it uses less digits than its factorization.
31114421030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2646.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 31114421030 its reverse (3012441113), we get a palindrome (34126862143).
The spelling of 31114421030 in words is "thirty-one billion, one hundred fourteen million, four hundred twenty-one thousand, thirty".
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