Base | Representation |
---|---|
bin | 11100001011101100… |
… | …100011110110011001 |
3 | 2220002221102011021222 |
4 | 130023230203312121 |
5 | 443433304023000 |
6 | 21522434141425 |
7 | 2120616161351 |
oct | 341354436631 |
9 | 86087364258 |
10 | 30261001625 |
11 | 11919601458 |
12 | 5a46421875 |
13 | 2b1348a22a |
14 | 1670d89b61 |
15 | bc19d2a85 |
hex | 70bb23d99 |
30261001625 has 16 divisors (see below), whose sum is σ = 37976739840. Its totient is φ = 24073538800.
The previous prime is 30261001607. The next prime is 30261001649. The reversal of 30261001625 is 52610016203.
It is not a de Polignac number, because 30261001625 - 28 = 30261001369 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30261001594 and 30261001603.
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 15 ways as a sum of consecutive naturals, for example, 653849 + ... + 698598.
It is an arithmetic number, because the mean of its divisors is an integer number (2373546240).
Almost surely, 230261001625 is an apocalyptic number.
It is an amenable number.
30261001625 is a deficient number, since it is larger than the sum of its proper divisors (7715738215).
30261001625 is a wasteful number, since it uses less digits than its factorization.
30261001625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1352641 (or 1352631 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 26.
Adding to 30261001625 its reverse (52610016203), we get a palindrome (82871017828).
It can be divided in two parts, 30261001 and 625, that multiplied together give a square (18913125625 = 1375252).
The spelling of 30261001625 in words is "thirty billion, two hundred sixty-one million, one thousand, six hundred twenty-five".
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