Base | Representation |
---|---|
bin | 11100010100011010… |
… | …101000110100010001 |
3 | 2220111010200210122010 |
4 | 130110122220310101 |
5 | 444233232021241 |
6 | 21545141533133 |
7 | 2124343525341 |
oct | 342432506421 |
9 | 86433623563 |
10 | 30407298321 |
11 | 11994144314 |
12 | 5a874141a9 |
13 | 2b3789061a |
14 | 168658cd21 |
15 | bce77ed16 |
hex | 7146a8d11 |
30407298321 has 8 divisors (see below), whose sum is σ = 41850905344. Its totient is φ = 19617611760.
The previous prime is 30407298247. The next prime is 30407298347. The reversal of 30407298321 is 12389270403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30407298321 - 229 = 29870427409 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30407298321.
It is not an unprimeable number, because it can be changed into a prime (30407298121) 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, 163480006 + ... + 163480191.
It is an arithmetic number, because the mean of its divisors is an integer number (5231363168).
Almost surely, 230407298321 is an apocalyptic number.
30407298321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
30407298321 is a deficient number, since it is larger than the sum of its proper divisors (11443607023).
30407298321 is a wasteful number, since it uses less digits than its factorization.
30407298321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 326960231.
The product of its (nonzero) digits is 72576, while the sum is 39.
The spelling of 30407298321 in words is "thirty billion, four hundred seven million, two hundred ninety-eight thousand, three hundred twenty-one".
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