Base | Representation |
---|---|
bin | 11100001110001100… |
… | …010110001100101111 |
3 | 2220012212020020122000 |
4 | 130032030112030233 |
5 | 444030014420001 |
6 | 21530532023343 |
7 | 2121635206302 |
oct | 341614261457 |
9 | 86185206560 |
10 | 30302888751 |
11 | 11940210913 |
12 | 5a58461b53 |
13 | 2b1c064a05 |
14 | 1676770b39 |
15 | bc5508a86 |
hex | 70e31632f |
30302888751 has 8 divisors (see below), whose sum is σ = 44893168560. Its totient is φ = 20201925816.
The previous prime is 30302888747. The next prime is 30302888767. The reversal of 30302888751 is 15788820303.
It is not a de Polignac number, because 30302888751 - 22 = 30302888747 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30302888697 and 30302888706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30302881751) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561164580 + ... + 561164633.
It is an arithmetic number, because the mean of its divisors is an integer number (5611646070).
Almost surely, 230302888751 is an apocalyptic number.
30302888751 is a deficient number, since it is larger than the sum of its proper divisors (14590279809).
30302888751 is a wasteful number, since it uses less digits than its factorization.
30302888751 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1122329222 (or 1122329216 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The spelling of 30302888751 in words is "thirty billion, three hundred two million, eight hundred eighty-eight thousand, seven hundred fifty-one".
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