Base | Representation |
---|---|
bin | 11100000101010010… |
… | …001110000000100001 |
3 | 2212211110000010001022 |
4 | 130011102032000201 |
5 | 443223234324441 |
6 | 21504032415225 |
7 | 2115141644510 |
oct | 340522160041 |
9 | 85743003038 |
10 | 30153433121 |
11 | 11873910669 |
12 | 5a163a7515 |
13 | 2ac70c6826 |
14 | 1660988677 |
15 | bb733584b |
hex | 70548e021 |
30153433121 has 8 divisors (see below), whose sum is σ = 35572713984. Its totient is φ = 25012064160.
The previous prime is 30153433099. The next prime is 30153433127. The reversal of 30153433121 is 12133435103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30153433121 - 230 = 29079691297 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30153433127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69477740 + ... + 69478173.
It is an arithmetic number, because the mean of its divisors is an integer number (4446589248).
Almost surely, 230153433121 is an apocalyptic number.
30153433121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
30153433121 is a deficient number, since it is larger than the sum of its proper divisors (5419280863).
30153433121 is a wasteful number, since it uses less digits than its factorization.
30153433121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138955951.
The product of its (nonzero) digits is 3240, while the sum is 26.
Adding to 30153433121 its reverse (12133435103), we get a palindrome (42286868224).
The spelling of 30153433121 in words is "thirty billion, one hundred fifty-three million, four hundred thirty-three thousand, one hundred twenty-one".
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