Base | Representation |
---|---|
bin | 11100011000001100… |
… | …001100100110100101 |
3 | 2220122112211221211221 |
4 | 130120030030212211 |
5 | 444400434342410 |
6 | 21555323100341 |
7 | 2126043003334 |
oct | 343014144645 |
9 | 86575757757 |
10 | 30470621605 |
11 | 11a16965006 |
12 | 5aa46716b1 |
13 | 2b47a32118 |
14 | 1690b53d1b |
15 | bd50dc4da |
hex | 71830c9a5 |
30470621605 has 8 divisors (see below), whose sum is σ = 38154517632. Its totient is φ = 23316649488.
The previous prime is 30470621593. The next prime is 30470621611. The reversal of 30470621605 is 50612607403.
It is a happy number.
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 30470621605 - 225 = 30437067173 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132480849 + ... + 132481078.
It is an arithmetic number, because the mean of its divisors is an integer number (4769314704).
Almost surely, 230470621605 is an apocalyptic number.
It is an amenable number.
30470621605 is a deficient number, since it is larger than the sum of its proper divisors (7683896027).
30470621605 is a wasteful number, since it uses less digits than its factorization.
30470621605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264961955.
The product of its (nonzero) digits is 30240, while the sum is 34.
The spelling of 30470621605 in words is "thirty billion, four hundred seventy million, six hundred twenty-one thousand, six hundred five".
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