Base | Representation |
---|---|
bin | 1101111110001000011011… |
… | …00100110010010001111101 |
3 | 11000210000011222110102222021 |
4 | 12333010031210302101331 |
5 | 13011322404434041404 |
6 | 145201315013520141 |
7 | 6320412664136065 |
oct | 677041544622175 |
9 | 130700158412867 |
10 | 30722128815229 |
11 | 98751aa8790a5 |
12 | 35421a2943051 |
13 | 141b1133205a7 |
14 | 782d5d5a43a5 |
15 | 384246957454 |
hex | 1bf10d93247d |
30722128815229 has 8 divisors (see below), whose sum is σ = 31570517624288. Its totient is φ = 29874690585360.
The previous prime is 30722128815227. The next prime is 30722128815233. The reversal of 30722128815229 is 92251882122703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30722128815229 - 21 = 30722128815227 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30722128815223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237579267 + ... + 237708544.
It is an arithmetic number, because the mean of its divisors is an integer number (3946314703036).
Almost surely, 230722128815229 is an apocalyptic number.
It is an amenable number.
30722128815229 is a deficient number, since it is larger than the sum of its proper divisors (848388809059).
30722128815229 is a wasteful number, since it uses less digits than its factorization.
30722128815229 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 475289595.
The product of its (nonzero) digits is 1935360, while the sum is 52.
The spelling of 30722128815229 in words is "thirty trillion, seven hundred twenty-two billion, one hundred twenty-eight million, eight hundred fifteen thousand, two hundred twenty-nine".
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