Base | Representation |
---|---|
bin | 1101110111101100111101… |
… | …00100101111111001111001 |
3 | 10222222212222200120121000011 |
4 | 12323312132210233321321 |
5 | 12444213001114434200 |
6 | 144512022443541521 |
7 | 6265432513331443 |
oct | 673663644577171 |
9 | 128885880517004 |
10 | 30501223202425 |
11 | 979a550372648 |
12 | 3507411b2a8a1 |
13 | 1403339b16431 |
14 | 7763a4c1d493 |
15 | 37d617ecc5ba |
hex | 1bbd9e92fe79 |
30501223202425 has 48 divisors (see below), whose sum is σ = 39878889931440. Its totient is φ = 23110335037440.
The previous prime is 30501223202419. The next prime is 30501223202447. The reversal of 30501223202425 is 52420232210503.
It can be written as a sum of positive squares in 24 ways, for example, as 22175990121321 + 8325233081104 = 4709139^2 + 2885348^2 .
It is not a de Polignac number, because 30501223202425 - 29 = 30501223201913 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6027619 + ... + 9865831.
It is an arithmetic number, because the mean of its divisors is an integer number (830810206905).
Almost surely, 230501223202425 is an apocalyptic number.
It is an amenable number.
30501223202425 is a deficient number, since it is larger than the sum of its proper divisors (9377666729015).
30501223202425 is a wasteful number, since it uses less digits than its factorization.
30501223202425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3838462 (or 3838457 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 31.
Adding to 30501223202425 its reverse (52420232210503), we get a palindrome (82921455412928).
The spelling of 30501223202425 in words is "thirty trillion, five hundred one billion, two hundred twenty-three million, two hundred two thousand, four hundred twenty-five".
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