Base | Representation |
---|---|
bin | 11100011001010110… |
… | …100100110000101100 |
3 | 2220200220112112112112 |
4 | 130121112210300230 |
5 | 444420432303322 |
6 | 22001301023152 |
7 | 2126400510560 |
oct | 343126446054 |
9 | 86626475475 |
10 | 30490119212 |
11 | 11a26971933 |
12 | 5aab0b4ab8 |
13 | 2b4ba9a977 |
14 | 169358b6a0 |
15 | bd6b8e5e2 |
hex | 7195a4c2c |
30490119212 has 48 divisors (see below), whose sum is σ = 62956658688. Its totient is φ = 12647378880.
The previous prime is 30490119199. The next prime is 30490119221. The reversal of 30490119212 is 21291109403.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120833 + ... + 274919.
It is an arithmetic number, because the mean of its divisors is an integer number (1311597056).
Almost surely, 230490119212 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 30490119212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31478329344).
30490119212 is an abundant number, since it is smaller than the sum of its proper divisors (32466539476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30490119212 is a wasteful number, since it uses less digits than its factorization.
30490119212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154326 (or 154324 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 32.
The spelling of 30490119212 in words is "thirty billion, four hundred ninety million, one hundred nineteen thousand, two hundred twelve".
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