Base | Representation |
---|---|
bin | 11100011010000100… |
… | …001111101011101011 |
3 | 2220201202001210102120 |
4 | 130122010033223223 |
5 | 444432013411444 |
6 | 22002405402323 |
7 | 2126604333315 |
oct | 343204175353 |
9 | 86652053376 |
10 | 30502091499 |
11 | 11a326a9890 |
12 | 5ab31093a3 |
13 | 2b51400169 |
14 | 1694dc67b5 |
15 | bd7c56b19 |
hex | 71a10faeb |
30502091499 has 32 divisors (see below), whose sum is σ = 45058083840. Its totient is φ = 18198391200.
The previous prime is 30502091497. The next prime is 30502091513. The reversal of 30502091499 is 99419020503.
It is not a de Polignac number, because 30502091499 - 21 = 30502091497 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30502091499.
It is not an unprimeable number, because it can be changed into a prime (30502091497) 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 31 ways as a sum of consecutive naturals, for example, 4372084 + ... + 4379054.
It is an arithmetic number, because the mean of its divisors is an integer number (1408065120).
Almost surely, 230502091499 is an apocalyptic number.
30502091499 is a deficient number, since it is larger than the sum of its proper divisors (14555992341).
30502091499 is a wasteful number, since it uses less digits than its factorization.
30502091499 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9031.
The product of its (nonzero) digits is 87480, while the sum is 42.
The spelling of 30502091499 in words is "thirty billion, five hundred two million, ninety-one thousand, four hundred ninety-nine".
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