Base | Representation |
---|---|
bin | 11100100000000001… |
… | …011100100101101001 |
3 | 2220222201002202020112 |
4 | 130200001130211221 |
5 | 1000133104134400 |
6 | 22020335304105 |
7 | 2132226613526 |
oct | 344001344551 |
9 | 86881082215 |
10 | 30602021225 |
11 | 11a84052536 |
12 | 5b2067b035 |
13 | 2b6901a989 |
14 | 16a439a14d |
15 | be18e5835 |
hex | 72005c969 |
30602021225 has 12 divisors (see below), whose sum is σ = 39170588160. Its totient is φ = 23691886800.
The previous prime is 30602021221. The next prime is 30602021227. The reversal of 30602021225 is 52212020603.
It is not a de Polignac number, because 30602021225 - 22 = 30602021221 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30602021225.
It is not an unprimeable number, because it can be changed into a prime (30602021221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19742465 + ... + 19744014.
It is an arithmetic number, because the mean of its divisors is an integer number (3264215680).
Almost surely, 230602021225 is an apocalyptic number.
It is an amenable number.
30602021225 is a deficient number, since it is larger than the sum of its proper divisors (8568566935).
30602021225 is a wasteful number, since it uses less digits than its factorization.
30602021225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39486520 (or 39486515 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 30602021225 its reverse (52212020603), we get a palindrome (82814041828).
The spelling of 30602021225 in words is "thirty billion, six hundred two million, twenty-one thousand, two hundred twenty-five".
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