Base | Representation |
---|---|
bin | 11100000110011011… |
… | …011000111010101110 |
3 | 2212212210002121201000 |
4 | 130012123120322232 |
5 | 443243142124233 |
6 | 21505555501130 |
7 | 2115463663410 |
oct | 340633307256 |
9 | 85783077630 |
10 | 30172614318 |
11 | 118837217a0 |
12 | 5a208b77a6 |
13 | 2acb081352 |
14 | 166333c9b0 |
15 | bb8d73d13 |
hex | 7066d8eae |
30172614318 has 128 divisors (see below), whose sum is σ = 84336215040. Its totient is φ = 7767567360.
The previous prime is 30172614317. The next prime is 30172614359. The reversal of 30172614318 is 81341627103.
It is a happy number.
30172614318 is a `hidden beast` number, since 3 + 0 + 1 + 7 + 2 + 614 + 31 + 8 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30172614317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 437746 + ... + 501962.
It is an arithmetic number, because the mean of its divisors is an integer number (658876680).
Almost surely, 230172614318 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30172614318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42168107520).
30172614318 is an abundant number, since it is smaller than the sum of its proper divisors (54163600722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30172614318 is a wasteful number, since it uses less digits than its factorization.
30172614318 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64359 (or 64353 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The spelling of 30172614318 in words is "thirty billion, one hundred seventy-two million, six hundred fourteen thousand, three hundred eighteen".
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