Base | Representation |
---|---|
bin | 11100010101000010… |
… | …001111001000101010 |
3 | 2220111212020012002122 |
4 | 130111002033020222 |
5 | 444243411211030 |
6 | 21550152231242 |
7 | 2124531001364 |
oct | 342502171052 |
9 | 86455205078 |
10 | 30417678890 |
11 | 11999a943a5 |
12 | 5a8a99b522 |
13 | 2b39a86481 |
14 | 1687ad1d34 |
15 | bd06308e5 |
hex | 71508f22a |
30417678890 has 16 divisors (see below), whose sum is σ = 55444884480. Its totient is φ = 12013057680.
The previous prime is 30417678829. The next prime is 30417678931. The reversal of 30417678890 is 9887671403.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19250906 + ... + 19252485.
It is an arithmetic number, because the mean of its divisors is an integer number (3465305280).
Almost surely, 230417678890 is an apocalyptic number.
30417678890 is a deficient number, since it is larger than the sum of its proper divisors (25027205590).
30417678890 is a wasteful number, since it uses less digits than its factorization.
30417678890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38503477.
The product of its (nonzero) digits is 2032128, while the sum is 53.
The spelling of 30417678890 in words is "thirty billion, four hundred seventeen million, six hundred seventy-eight thousand, eight hundred ninety".
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