Base | Representation |
---|---|
bin | 11100001110110010… |
… | …111111101001000101 |
3 | 2220020120021222001110 |
4 | 130032302333221011 |
5 | 444040113114343 |
6 | 21531533115233 |
7 | 2122120263345 |
oct | 341662775105 |
9 | 86216258043 |
10 | 30313019973 |
11 | 11945a00625 |
12 | 5a5b928b19 |
13 | 2b211a1212 |
14 | 1677c4ad25 |
15 | bc635a833 |
hex | 70ecbfa45 |
30313019973 has 8 divisors (see below), whose sum is σ = 40430839936. Its totient is φ = 20201940000.
The previous prime is 30313019939. The next prime is 30313019981. The reversal of 30313019973 is 37991031303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30313019973 - 210 = 30313018949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30313019983) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674493 + ... + 1692498.
It is an arithmetic number, because the mean of its divisors is an integer number (5053854992).
Almost surely, 230313019973 is an apocalyptic number.
It is an amenable number.
30313019973 is a deficient number, since it is larger than the sum of its proper divisors (10117819963).
30313019973 is a wasteful number, since it uses less digits than its factorization.
30313019973 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3369995.
The product of its (nonzero) digits is 45927, while the sum is 39.
The spelling of 30313019973 in words is "thirty billion, three hundred thirteen million, nineteen thousand, nine hundred seventy-three".
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