Base | Representation |
---|---|
bin | 11100001110001001… |
… | …011101101110000000 |
3 | 2220012210210212002200 |
4 | 130032021131232000 |
5 | 444024321224440 |
6 | 21530503513200 |
7 | 2121625611300 |
oct | 341611355600 |
9 | 86183725080 |
10 | 30302133120 |
11 | 1193a845126 |
12 | 5a58158800 |
13 | 2b1bb5baac |
14 | 1676615600 |
15 | bc5409c30 |
hex | 70e25db80 |
30302133120 has 576 divisors, whose sum is σ = 123041449440. Its totient is φ = 6851174400.
The previous prime is 30302133107. The next prime is 30302133131. The reversal of 30302133120 is 2133120303.
30302133120 is a `hidden beast` number, since 30 + 302 + 1 + 331 + 2 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (576).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30302133093 and 30302133102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 28505709 + ... + 28506771.
Almost surely, 230302133120 is an apocalyptic number.
30302133120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30302133120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61520724720).
30302133120 is an abundant number, since it is smaller than the sum of its proper divisors (92739316320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30302133120 is a wasteful number, since it uses less digits than its factorization.
30302133120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1203 (or 1181 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 30302133120 its reverse (2133120303), we get a palindrome (32435253423).
The spelling of 30302133120 in words is "thirty billion, three hundred two million, one hundred thirty-three thousand, one hundred twenty".
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