Base | Representation |
---|---|
bin | 11100010001000110… |
… | …011010011010100101 |
3 | 2220100021000022210112 |
4 | 130101012122122211 |
5 | 444130011233210 |
6 | 21535433302405 |
7 | 2123066615450 |
oct | 342106323245 |
9 | 86307008715 |
10 | 30351664805 |
11 | 119657a6000 |
12 | 5a70864a05 |
13 | 2b291b1c97 |
14 | 167d02a497 |
15 | bc9940d05 |
hex | 71119a6a5 |
30351664805 has 64 divisors (see below), whose sum is σ = 47024616960. Its totient is φ = 18408107520.
The previous prime is 30351664793. The next prime is 30351664843. The reversal of 30351664805 is 50846615303.
It is not a de Polignac number, because 30351664805 - 220 = 30350616229 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1714841 + ... + 1732449.
It is an arithmetic number, because the mean of its divisors is an integer number (734759640).
Almost surely, 230351664805 is an apocalyptic number.
30351664805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30351664805 is a deficient number, since it is larger than the sum of its proper divisors (16672952155).
30351664805 is a wasteful number, since it uses less digits than its factorization.
30351664805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17691 (or 17669 counting only the distinct ones).
The product of its (nonzero) digits is 259200, while the sum is 41.
The spelling of 30351664805 in words is "thirty billion, three hundred fifty-one million, six hundred sixty-four thousand, eight hundred five".
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