Base | Representation |
---|---|
bin | 11100000101010000… |
… | …000011010011010010 |
3 | 2212211101221020200222 |
4 | 130011100003103102 |
5 | 443223113134403 |
6 | 21504012313042 |
7 | 2115134060225 |
oct | 340520032322 |
9 | 85741836628 |
10 | 30152864978 |
11 | 11873562825 |
12 | 5a16172782 |
13 | 2ac6c58052 |
14 | 166087b5bc |
15 | bb7272338 |
hex | 7054034d2 |
30152864978 has 8 divisors (see below), whose sum is σ = 45230862972. Its totient is φ = 15075910656.
The previous prime is 30152864909. The next prime is 30152865047. The reversal of 30152864978 is 87946825103.
It is an interprime number because it is at equal distance from previous prime (30152864909) and next prime (30152865047).
It can be written as a sum of positive squares in 2 ways, for example, as 27120490489 + 3032374489 = 164683^2 + 55067^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184175 + ... + 306962.
It is a 1-persistent number, because it is pandigital, but 2⋅30152864978 = 60305729956 is not.
Almost surely, 230152864978 is an apocalyptic number.
30152864978 is a deficient number, since it is larger than the sum of its proper divisors (15077997994).
30152864978 is a wasteful number, since it uses less digits than its factorization.
30152864978 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 521836.
The product of its (nonzero) digits is 2903040, while the sum is 53.
The spelling of 30152864978 in words is "thirty billion, one hundred fifty-two million, eight hundred sixty-four thousand, nine hundred seventy-eight".
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