Base | Representation |
---|---|
bin | 1101101001100000001010… |
… | …10101101000001011011000 |
3 | 10221021020121221112200202200 |
4 | 12310300011111220023120 |
5 | 12413214240140120440 |
6 | 143455532422530200 |
7 | 6215251034241444 |
oct | 664600525501330 |
9 | 127236557480680 |
10 | 30013321020120 |
11 | 962163a2a7699 |
12 | 3448948596960 |
13 | 139932318b589 |
14 | 75a91c5db824 |
15 | 370aae4dcc30 |
hex | 1b4c055682d8 |
30013321020120 has 96 divisors (see below), whose sum is σ = 97545421162800. Its totient is φ = 8003377679616.
The previous prime is 30013321020119. The next prime is 30013321020127. The reversal of 30013321020120 is 2102012331003.
30013321020120 is a `hidden beast` number, since 300 + 1 + 3 + 321 + 0 + 20 + 1 + 20 = 666.
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 = 30013321020093 and 30013321020102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30013321020127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16055434 + ... + 17827046.
Almost surely, 230013321020120 is an apocalyptic number.
30013321020120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30013321020120 is an abundant number, since it is smaller than the sum of its proper divisors (67532100142680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30013321020120 is a wasteful number, since it uses less digits than its factorization.
30013321020120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1818689 (or 1818682 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 30013321020120 its reverse (2102012331003), we get a palindrome (32115333351123).
The spelling of 30013321020120 in words is "thirty trillion, thirteen billion, three hundred twenty-one million, twenty thousand, one hundred twenty".
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