Base | Representation |
---|---|
bin | 1101110110110100000111… |
… | …00010001100011000110101 |
3 | 10222212222012210202221022101 |
4 | 12323122003202030120311 |
5 | 12443213000410324012 |
6 | 144450014252102101 |
7 | 6263302320104500 |
oct | 673320342143065 |
9 | 128788183687271 |
10 | 30470704776757 |
11 | 978860a527753 |
12 | 3501515464931 |
13 | 14004b52175ab |
14 | 774b0b9c4137 |
15 | 37c92daead57 |
hex | 1bb68388c635 |
30470704776757 has 12 divisors (see below), whose sum is σ = 35445870036876. Its totient is φ = 26117484402240.
The previous prime is 30470704776737. The next prime is 30470704776763. The reversal of 30470704776757 is 75767740707403.
It can be written as a sum of positive squares in 2 ways, for example, as 464784426001 + 30005920350756 = 681751^2 + 5477766^2 .
It is not a de Polignac number, because 30470704776757 - 227 = 30470570559029 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 (30470704776737) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1879507 + ... + 8029567.
It is an arithmetic number, because the mean of its divisors is an integer number (2953822503073).
Almost surely, 230470704776757 is an apocalyptic number.
It is an amenable number.
30470704776757 is a deficient number, since it is larger than the sum of its proper divisors (4975165260119).
30470704776757 is a wasteful number, since it uses less digits than its factorization.
30470704776757 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6251188 (or 6251181 counting only the distinct ones).
The product of its (nonzero) digits is 169414560, while the sum is 64.
The spelling of 30470704776757 in words is "thirty trillion, four hundred seventy billion, seven hundred four million, seven hundred seventy-six thousand, seven hundred fifty-seven".
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