Base | Representation |
---|---|
bin | 11100000011100101… |
… | …110000101100101000 |
3 | 2212202110111122012202 |
4 | 130003211300230220 |
5 | 443144000022022 |
6 | 21501135155332 |
7 | 2114345200514 |
oct | 340345605450 |
9 | 85673448182 |
10 | 30125001512 |
11 | 11859861571 |
12 | 5a08975b48 |
13 | 2ac12506a8 |
14 | 165aca7144 |
15 | bb4abb592 |
hex | 703970b28 |
30125001512 has 8 divisors (see below), whose sum is σ = 56484377850. Its totient is φ = 15062500752.
The previous prime is 30125001499. The next prime is 30125001551. The reversal of 30125001512 is 21510052103.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 29926924036 + 198077476 = 172994^2 + 14074^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×301250015122 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1882812587 + ... + 1882812602.
Almost surely, 230125001512 is an apocalyptic number.
It is an amenable number.
30125001512 is a deficient number, since it is larger than the sum of its proper divisors (26359376338).
30125001512 is a wasteful number, since it uses less digits than its factorization.
30125001512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3765625195 (or 3765625191 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 20.
Adding to 30125001512 its reverse (21510052103), we get a palindrome (51635053615).
The spelling of 30125001512 in words is "thirty billion, one hundred twenty-five million, one thousand, five hundred twelve".
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