Base | Representation |
---|---|
bin | 11011111101011010… |
… | …001101101000011010 |
3 | 2212111020101121120111 |
4 | 123331122031220122 |
5 | 442440423423002 |
6 | 21442552514534 |
7 | 2111645635024 |
oct | 337532155032 |
9 | 85436347514 |
10 | 30021311002 |
11 | 1180627a331 |
12 | 599a0aba4a |
13 | 2aa5917167 |
14 | 164b1d5014 |
15 | baa9383d7 |
hex | 6fd68da1a |
30021311002 has 8 divisors (see below), whose sum is σ = 45104953716. Its totient is φ = 14986326432.
The previous prime is 30021310987. The next prime is 30021311077. The reversal of 30021311002 is 20011312003.
It can be written as a sum of positive squares in 2 ways, for example, as 27605490201 + 2415820801 = 166149^2 + 49151^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×300213110022 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12162993 + ... + 12165460.
Almost surely, 230021311002 is an apocalyptic number.
30021311002 is a deficient number, since it is larger than the sum of its proper divisors (15083642714).
30021311002 is a wasteful number, since it uses less digits than its factorization.
30021311002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24329072.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 30021311002 its reverse (20011312003), we get a palindrome (50032623005).
The spelling of 30021311002 in words is "thirty billion, twenty-one million, three hundred eleven thousand, two".
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