Base | Representation |
---|---|
bin | 1101110111100000111110… |
… | …01101010101100000000000 |
3 | 10222222021101102222201201210 |
4 | 12323300133031111200000 |
5 | 12444111313044004412 |
6 | 144505040323530120 |
7 | 6265114234000350 |
oct | 673603715254000 |
9 | 128867342881653 |
10 | 30494791391232 |
11 | 979784a819703 |
12 | 3506117b29940 |
13 | 140285344b8ac |
14 | 775d54928b60 |
15 | 37d38d4ea83c |
hex | 1bbc1f355800 |
30494791391232 has 192 divisors, whose sum is σ = 92972062310400. Its totient is φ = 8707335782400.
The previous prime is 30494791391213. The next prime is 30494791391249. The reversal of 30494791391232 is 23219319749403.
It is a tau number, because it is divible by the number of its divisors (192).
It is a congruent number.
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, 68634369 + ... + 69077247.
It is an arithmetic number, because the mean of its divisors is an integer number (484229491200).
Almost surely, 230494791391232 is an apocalyptic number.
30494791391232 is a gapful number since it is divisible by the number (32) 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 30494791391232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46486031155200).
30494791391232 is an abundant number, since it is smaller than the sum of its proper divisors (62477270919168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30494791391232 is a wasteful number, since it uses less digits than its factorization.
30494791391232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 444512 (or 444492 counting only the distinct ones).
The product of its (nonzero) digits is 8817984, while the sum is 57.
The spelling of 30494791391232 in words is "thirty trillion, four hundred ninety-four billion, seven hundred ninety-one million, three hundred ninety-one thousand, two hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •