Base | Representation |
---|---|
bin | 11100001101011001… |
… | …001111010000000110 |
3 | 2220011221000120022011 |
4 | 130031121033100012 |
5 | 444013102202300 |
6 | 21525332524434 |
7 | 2121413265535 |
oct | 341531172006 |
9 | 86157016264 |
10 | 30289490950 |
11 | 1193369a954 |
12 | 5a53a8071a |
13 | 2b19353714 |
14 | 1674a8431c |
15 | bc425deba |
hex | 70d64f406 |
30289490950 has 24 divisors (see below), whose sum is σ = 56896269120. Its totient is φ = 11995836000.
The previous prime is 30289490923. The next prime is 30289490989. The reversal of 30289490950 is 5909498203.
It is a junction number, because it is equal to n+sod(n) for n = 30289490894 and 30289490903.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2993910 + ... + 3004009.
It is an arithmetic number, because the mean of its divisors is an integer number (2370677880).
Almost surely, 230289490950 is an apocalyptic number.
30289490950 is a deficient number, since it is larger than the sum of its proper divisors (26606778170).
30289490950 is a wasteful number, since it uses less digits than its factorization.
30289490950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5998032 (or 5998027 counting only the distinct ones).
The product of its (nonzero) digits is 699840, while the sum is 49.
The spelling of 30289490950 in words is "thirty billion, two hundred eighty-nine million, four hundred ninety thousand, nine hundred fifty".
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