Base | Representation |
---|---|
bin | 1101101100101000111011… |
… | …01010110110111001101000 |
3 | 10221122112211111010222002012 |
4 | 12312110131222312321220 |
5 | 12422001004433433112 |
6 | 144021235513455052 |
7 | 6226115010443441 |
oct | 666243552667150 |
9 | 127575744128065 |
10 | 30121103421032 |
11 | 9663319697788 |
12 | 3465808711488 |
13 | 13a653c104470 |
14 | 761c250822c8 |
15 | 3737bba8e022 |
hex | 1b651dab6e68 |
30121103421032 has 64 divisors (see below), whose sum is σ = 61144665523200. Its totient is φ = 13828183292160.
The previous prime is 30121103421007. The next prime is 30121103421109. The reversal of 30121103421032 is 23012430112103.
30121103421032 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 30121103420989 and 30121103421007.
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, 290498894 + ... + 290602562.
It is an arithmetic number, because the mean of its divisors is an integer number (955385398800).
Almost surely, 230121103421032 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 30121103421032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30572332761600).
30121103421032 is an abundant number, since it is smaller than the sum of its proper divisors (31023562102168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30121103421032 is a wasteful number, since it uses less digits than its factorization.
30121103421032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118506 (or 118502 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 30121103421032 its reverse (23012430112103), we get a palindrome (53133533533135).
The spelling of 30121103421032 in words is "thirty trillion, one hundred twenty-one billion, one hundred three million, four hundred twenty-one thousand, thirty-two".
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