Base | Representation |
---|---|
bin | 11100001101101011… |
… | …100011101001011001 |
3 | 2220012021001112120212 |
4 | 130031223203221121 |
5 | 444020314334311 |
6 | 21530023500505 |
7 | 2121502146113 |
oct | 341553435131 |
9 | 86167045525 |
10 | 30294293081 |
11 | 1193637a858 |
12 | 5a555b7735 |
13 | 2b1a345410 |
14 | 16755743b3 |
15 | bc48abc8b |
hex | 70dae3a59 |
30294293081 has 8 divisors (see below), whose sum is σ = 32638416384. Its totient is φ = 27952140240.
The previous prime is 30294293059. The next prime is 30294293137. The reversal of 30294293081 is 18039249203.
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 30294293081 - 226 = 30227184217 is a prime.
It is a super-2 number, since 2×302942930812 (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 (30294293011) 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 7 ways as a sum of consecutive naturals, for example, 460601 + ... + 522246.
It is an arithmetic number, because the mean of its divisors is an integer number (4079802048).
Almost surely, 230294293081 is an apocalyptic number.
It is an amenable number.
30294293081 is a deficient number, since it is larger than the sum of its proper divisors (2344123303).
30294293081 is a wasteful number, since it uses less digits than its factorization.
30294293081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 985231.
The product of its (nonzero) digits is 93312, while the sum is 41.
The spelling of 30294293081 in words is "thirty billion, two hundred ninety-four million, two hundred ninety-three thousand, eighty-one".
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