Base | Representation |
---|---|
bin | 11100001010001001… |
… | …000100011001000000 |
3 | 2220001010100002201211 |
4 | 130022021010121000 |
5 | 443410114424022 |
6 | 21520103135504 |
7 | 2120151404206 |
oct | 341211043100 |
9 | 86033302654 |
10 | 30234920512 |
11 | 11905908315 |
12 | 5a39744594 |
13 | 2b0ac57c14 |
14 | 166b71b076 |
15 | bbe57ee77 |
hex | 70a244640 |
30234920512 has 56 divisors (see below), whose sum is σ = 64240669080. Its totient is φ = 14068285440.
The previous prime is 30234920491. The next prime is 30234920561. The reversal of 30234920512 is 21502943203.
It can be written as a sum of positive squares in 4 ways, for example, as 5467715136 + 24767205376 = 73944^2 + 157376^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59289 + ... + 252952.
It is an arithmetic number, because the mean of its divisors is an integer number (1147154805).
Almost surely, 230234920512 is an apocalyptic number.
30234920512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30234920512 is an abundant number, since it is smaller than the sum of its proper divisors (34005748568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30234920512 is a wasteful number, since it uses less digits than its factorization.
30234920512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 312359 (or 312349 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 31.
The spelling of 30234920512 in words is "thirty billion, two hundred thirty-four million, nine hundred twenty thousand, five hundred twelve".
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