Base | Representation |
---|---|
bin | 11100110011000000… |
… | …110000000111110000 |
3 | 2221210220120112122202 |
4 | 130303000300013300 |
5 | 1001311133344232 |
6 | 22112115522332 |
7 | 2143145546630 |
oct | 346300600760 |
9 | 87726515582 |
10 | 30920606192 |
11 | 121279700a3 |
12 | 5bab2b93a8 |
13 | 2bba024aa8 |
14 | 16d480a6c0 |
15 | c0e876162 |
hex | 7330301f0 |
30920606192 has 160 divisors (see below), whose sum is σ = 71437427712. Its totient is φ = 12692938752.
The previous prime is 30920606191. The next prime is 30920606201. The reversal of 30920606192 is 29160602903.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30920606191) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47790413 + ... + 47791059.
Almost surely, 230920606192 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30920606192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35718713856).
30920606192 is an abundant number, since it is smaller than the sum of its proper divisors (40516821520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30920606192 is a wasteful number, since it uses less digits than its factorization.
30920606192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 895 (or 889 counting only the distinct ones).
The product of its (nonzero) digits is 34992, while the sum is 38.
The spelling of 30920606192 in words is "thirty billion, nine hundred twenty million, six hundred six thousand, one hundred ninety-two".
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