Base | Representation |
---|---|
bin | 11100101011101001… |
… | …100110111011000010 |
3 | 2221111022011201012211 |
4 | 130223221212323002 |
5 | 1001033024124230 |
6 | 22051544412334 |
7 | 2140116006511 |
oct | 345351467302 |
9 | 87438151184 |
10 | 30797098690 |
11 | 12074183086 |
12 | 5b75a770aa |
13 | 2b9a570527 |
14 | 16c225a678 |
15 | c03acb42a |
hex | 72ba66ec2 |
30797098690 has 16 divisors (see below), whose sum is σ = 55448245440. Its totient is φ = 12315846640.
The previous prime is 30797098643. The next prime is 30797098723. The reversal of 30797098690 is 9689079703.
It is a super-2 number, since 2×307970986902 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 330646 + ... + 413425.
It is an arithmetic number, because the mean of its divisors is an integer number (3465515340).
Almost surely, 230797098690 is an apocalyptic number.
30797098690 is a deficient number, since it is larger than the sum of its proper divisors (24651146750).
30797098690 is a wasteful number, since it uses less digits than its factorization.
30797098690 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 748217.
The product of its (nonzero) digits is 5143824, while the sum is 58.
The spelling of 30797098690 in words is "thirty billion, seven hundred ninety-seven million, ninety-eight thousand, six hundred ninety".
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