Base | Representation |
---|---|
bin | 1101101110100100110010… |
… | …11100000100011110111001 |
3 | 10221212220111001112011212021 |
4 | 12313102121130010132321 |
5 | 12424043203213204404 |
6 | 144111554413114441 |
7 | 6233660656621366 |
oct | 667223134043671 |
9 | 127786431464767 |
10 | 30187604428729 |
11 | 9689544790080 |
12 | 3476687788a21 |
13 | 13ac8a9676067 |
14 | 7651330bd46d |
15 | 3753aede1454 |
hex | 1b74997047b9 |
30187604428729 has 16 divisors (see below), whose sum is σ = 33253289432064. Its totient is φ = 27175505101200.
The previous prime is 30187604428693. The next prime is 30187604428739. The reversal of 30187604428729 is 92782440678103.
It is a cyclic number.
It is not a de Polignac number, because 30187604428729 - 29 = 30187604428217 is a prime.
It is a super-3 number, since 3×301876044287293 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30187604428739) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22845612 + ... + 24130834.
It is an arithmetic number, because the mean of its divisors is an integer number (2078330589504).
Almost surely, 230187604428729 is an apocalyptic number.
It is an amenable number.
30187604428729 is a deficient number, since it is larger than the sum of its proper divisors (3065685003335).
30187604428729 is a wasteful number, since it uses less digits than its factorization.
30187604428729 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1306068.
The product of its (nonzero) digits is 32514048, while the sum is 61.
The spelling of 30187604428729 in words is "thirty trillion, one hundred eighty-seven billion, six hundred four million, four hundred twenty-eight thousand, seven hundred twenty-nine".
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