Base | Representation |
---|---|
bin | 1101101111011000010010… |
… | …10100010001001001100101 |
3 | 10221222112211210212110212222 |
4 | 12313230021110101021211 |
5 | 12430021313304013204 |
6 | 144132410024122125 |
7 | 6235660043611361 |
oct | 667541124211145 |
9 | 127875753773788 |
10 | 30215251235429 |
11 | 969a241681157 |
12 | 347bb02606345 |
13 | 13b2394360290 |
14 | 7665d6bb02a1 |
15 | 375e7c13cabe |
hex | 1b7b09511265 |
30215251235429 has 16 divisors (see below), whose sum is σ = 32659798147200. Its totient is φ = 27787943470656.
The previous prime is 30215251235423. The next prime is 30215251235531. The reversal of 30215251235429 is 92453215251203.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 30215251235429 - 216 = 30215251169893 is a prime.
It is a super-2 number, since 2×302152512354292 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30215251235429.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30215251235423) 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, 12359312 + ... + 14600790.
It is an arithmetic number, because the mean of its divisors is an integer number (2041237384200).
Almost surely, 230215251235429 is an apocalyptic number.
It is an amenable number.
30215251235429 is a deficient number, since it is larger than the sum of its proper divisors (2444546911771).
30215251235429 is a wasteful number, since it uses less digits than its factorization.
30215251235429 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2245324.
The product of its (nonzero) digits is 648000, while the sum is 44.
The spelling of 30215251235429 in words is "thirty trillion, two hundred fifteen billion, two hundred fifty-one million, two hundred thirty-five thousand, four hundred twenty-nine".
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