Base | Representation |
---|---|
bin | 111101011001001… |
… | …010000110100011 |
3 | 2122210010200110002 |
4 | 331121022012203 |
5 | 4102140131110 |
6 | 250112330215 |
7 | 34344620324 |
oct | 7531120643 |
9 | 2583120402 |
10 | 1030005155 |
11 | 489458133 |
12 | 248b4396b |
13 | 13551460a |
14 | 9ab1c44b |
15 | 6065baa5 |
hex | 3d64a1a3 |
1030005155 has 8 divisors (see below), whose sum is σ = 1241179200. Its totient is φ = 820555456.
The previous prime is 1030005139. The next prime is 1030005167. The reversal of 1030005155 is 5515000301.
It is a happy number.
1030005155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 1030005155 - 24 = 1030005139 is a prime.
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, 429770 + ... + 432159.
It is an arithmetic number, because the mean of its divisors is an integer number (155147400).
Almost surely, 21030005155 is an apocalyptic number.
1030005155 is a deficient number, since it is larger than the sum of its proper divisors (211174045).
1030005155 is an equidigital number, since it uses as much as digits as its factorization.
1030005155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 862173.
The product of its (nonzero) digits is 375, while the sum is 20.
The square root of 1030005155 is about 32093.6933835917. The cubic root of 1030005155 is about 1009.9033188507.
Adding to 1030005155 its reverse (5515000301), we get a palindrome (6545005456).
The spelling of 1030005155 in words is "one billion, thirty million, five thousand, one hundred fifty-five".
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