Base | Representation |
---|---|
bin | 11100000010010001… |
… | …110101111111110000 |
3 | 2212200221010000002111 |
4 | 130002101311333300 |
5 | 443122332044440 |
6 | 21455031455104 |
7 | 2113660206331 |
oct | 340221657760 |
9 | 85627100074 |
10 | 30103003120 |
11 | 118483a6883 |
12 | 5a01527494 |
13 | 2ab981a7a8 |
14 | 1657dbc288 |
15 | bb2bc34ea |
hex | 702475ff0 |
30103003120 has 40 divisors (see below), whose sum is σ = 71617152816. Its totient is φ = 11761171968.
The previous prime is 30103003109. The next prime is 30103003213. The reversal of 30103003120 is 2130030103.
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 30103003120.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4371997 + ... + 4378876.
Almost surely, 230103003120 is an apocalyptic number.
It is an amenable number.
30103003120 is an abundant number, since it is smaller than the sum of its proper divisors (41514149696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30103003120 is a wasteful number, since it uses less digits than its factorization.
30103003120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8750929 (or 8750923 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 30103003120 its reverse (2130030103), we get a palindrome (32233033223).
The spelling of 30103003120 in words is "thirty billion, one hundred three million, three thousand, one hundred twenty".
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