Base | Representation |
---|---|
bin | 11100011010101100… |
… | …001010010101110111 |
3 | 2220202110202102011211 |
4 | 130122230022111313 |
5 | 444442203233013 |
6 | 22003421542251 |
7 | 2130062304262 |
oct | 343254122567 |
9 | 86673672154 |
10 | 30512555383 |
11 | 11a385a6522 |
12 | 5ab6714987 |
13 | 2b53624bcb |
14 | 169654bcd9 |
15 | bd8b2223d |
hex | 71ab0a577 |
30512555383 has 24 divisors (see below), whose sum is σ = 33517238832. Its totient is φ = 27678150144.
The previous prime is 30512555369. The next prime is 30512555387. The reversal of 30512555383 is 38355521503.
It is not a de Polignac number, because 30512555383 - 25 = 30512555351 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30512555387) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 2484085 + ... + 2496337.
It is an arithmetic number, because the mean of its divisors is an integer number (1396551618).
Almost surely, 230512555383 is an apocalyptic number.
30512555383 is a deficient number, since it is larger than the sum of its proper divisors (3004683449).
30512555383 is a wasteful number, since it uses less digits than its factorization.
30512555383 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12451 (or 12414 counting only the distinct ones).
The product of its (nonzero) digits is 270000, while the sum is 40.
The spelling of 30512555383 in words is "thirty billion, five hundred twelve million, five hundred fifty-five thousand, three hundred eighty-three".
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