Base | Representation |
---|---|
bin | 11100000110101111… |
… | …111101010000101101 |
3 | 2212220011020112210012 |
4 | 130012233331100231 |
5 | 443301032143221 |
6 | 21510311223005 |
7 | 2115560550650 |
oct | 340657752055 |
9 | 85804215705 |
10 | 30178006061 |
11 | 11886774685 |
12 | 5a22677a65 |
13 | 2acc21b528 |
14 | 1663d43897 |
15 | bb958b65b |
hex | 706bfd42d |
30178006061 has 8 divisors (see below), whose sum is σ = 34509852480. Its totient is φ = 25851335328.
The previous prime is 30178006057. The next prime is 30178006063. The reversal of 30178006061 is 16060087103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30178006061 - 22 = 30178006057 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30178006063) 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, 1281416 + ... + 1304753.
It is an arithmetic number, because the mean of its divisors is an integer number (4313731560).
Almost surely, 230178006061 is an apocalyptic number.
It is an amenable number.
30178006061 is a deficient number, since it is larger than the sum of its proper divisors (4331846419).
30178006061 is a wasteful number, since it uses less digits than its factorization.
30178006061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2587843.
The product of its (nonzero) digits is 6048, while the sum is 32.
The spelling of 30178006061 in words is "thirty billion, one hundred seventy-eight million, six thousand, sixty-one".
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