Base | Representation |
---|---|
bin | 11100000100000000… |
… | …101000011010001011 |
3 | 2212202221202111200101 |
4 | 130010000220122023 |
5 | 443202300423301 |
6 | 21501550150231 |
7 | 2114462106004 |
oct | 340400503213 |
9 | 85687674611 |
10 | 30132045451 |
11 | 11862832802 |
12 | 5a0b1b2377 |
13 | 2ac28488c1 |
14 | 165bbbc1ab |
15 | bb550d701 |
hex | 70402868b |
30132045451 has 16 divisors (see below), whose sum is σ = 31810508800. Its totient is φ = 28462982688.
The previous prime is 30132045443. The next prime is 30132045469. The reversal of 30132045451 is 15454023103.
It is a cyclic number.
It is not a de Polignac number, because 30132045451 - 23 = 30132045443 is a prime.
It is a super-2 number, since 2×301320454512 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30132045481) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13278745 + ... + 13281013.
It is an arithmetic number, because the mean of its divisors is an integer number (1988156800).
Almost surely, 230132045451 is an apocalyptic number.
30132045451 is a deficient number, since it is larger than the sum of its proper divisors (1678463349).
30132045451 is a wasteful number, since it uses less digits than its factorization.
30132045451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4018.
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 30132045451 its reverse (15454023103), we get a palindrome (45586068554).
The spelling of 30132045451 in words is "thirty billion, one hundred thirty-two million, forty-five thousand, four hundred fifty-one".
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