Base | Representation |
---|---|
bin | 1101111000000111011000… |
… | …11111110011011110001101 |
3 | 11000001020121202202111200111 |
4 | 12330003230133303132031 |
5 | 12444431032322243203 |
6 | 144522331024400021 |
7 | 6266444304306340 |
oct | 674035437633615 |
9 | 130036552674614 |
10 | 30515415431053 |
11 | 97a5573526013 |
12 | 350a112a76011 |
13 | 140478c1bb257 |
14 | 776d4da54457 |
15 | 37db98e3226d |
hex | 1bc0ec7f378d |
30515415431053 has 16 divisors (see below), whose sum is σ = 34887470080000. Its totient is φ = 26146539958896.
The previous prime is 30515415431021. The next prime is 30515415431063. The reversal of 30515415431053 is 35013451451503.
It is not a de Polignac number, because 30515415431053 - 25 = 30515415431021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30515415430997 and 30515415431015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30515415431063) 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, 222731950 + ... + 222868912.
It is an arithmetic number, because the mean of its divisors is an integer number (2180466880000).
Almost surely, 230515415431053 is an apocalyptic number.
It is an amenable number.
30515415431053 is a deficient number, since it is larger than the sum of its proper divisors (4372054648947).
30515415431053 is a wasteful number, since it uses less digits than its factorization.
30515415431053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148336.
The product of its (nonzero) digits is 270000, while the sum is 40.
Adding to 30515415431053 its reverse (35013451451503), we get a palindrome (65528866882556).
The spelling of 30515415431053 in words is "thirty trillion, five hundred fifteen billion, four hundred fifteen million, four hundred thirty-one thousand, fifty-three".
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