Base | Representation |
---|---|
bin | 11100001101011001… |
… | …100000000110010110 |
3 | 2220011221011001222000 |
4 | 130031121200012112 |
5 | 444013111404313 |
6 | 21525334220130 |
7 | 2121414003660 |
oct | 341531400626 |
9 | 86157131860 |
10 | 30289559958 |
11 | 11933737789 |
12 | 5a53ab4646 |
13 | 2b19378c58 |
14 | 1674aa1530 |
15 | bc4274673 |
hex | 70d660196 |
30289559958 has 32 divisors (see below), whose sum is σ = 76925867520. Its totient is φ = 8654159880.
The previous prime is 30289559921. The next prime is 30289559959. The reversal of 30289559958 is 85995598203.
30289559958 is a `hidden beast` number, since 3 + 0 + 28 + 9 + 559 + 9 + 58 = 666.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a junction number, because it is equal to n+sod(n) for n = 30289559895 and 30289559904.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30289559959) 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, 40065178 + ... + 40065933.
It is an arithmetic number, because the mean of its divisors is an integer number (2403933360).
Almost surely, 230289559958 is an apocalyptic number.
30289559958 is an abundant number, since it is smaller than the sum of its proper divisors (46636307562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30289559958 is a wasteful number, since it uses less digits than its factorization.
30289559958 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80131129 (or 80131123 counting only the distinct ones).
The product of its (nonzero) digits is 34992000, while the sum is 63.
The spelling of 30289559958 in words is "thirty billion, two hundred eighty-nine million, five hundred fifty-nine thousand, nine hundred fifty-eight".
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