Base | Representation |
---|---|
bin | 111101011010010… |
… | …010101001111011 |
3 | 2122210200210002121 |
4 | 331122102221323 |
5 | 4102224133311 |
6 | 250122542111 |
7 | 34350265612 |
oct | 7532225173 |
9 | 2583623077 |
10 | 1030302331 |
11 | 489640433 |
12 | 249067937 |
13 | 1355b9966 |
14 | 9ab98879 |
15 | 606b9b71 |
hex | 3d692a7b |
1030302331 has 8 divisors (see below), whose sum is σ = 1035318704. Its totient is φ = 1025295840.
The previous prime is 1030302311. The next prime is 1030302353. The reversal of 1030302331 is 1332030301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1030302331 is a prime.
It is a super-2 number, since 2×10303023312 = 2123045786528067122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1030302311) 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, 280996 + ... + 284638.
It is an arithmetic number, because the mean of its divisors is an integer number (129414838).
Almost surely, 21030302331 is an apocalyptic number.
1030302331 is a deficient number, since it is larger than the sum of its proper divisors (5016373).
1030302331 is a wasteful number, since it uses less digits than its factorization.
1030302331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4941.
The product of its (nonzero) digits is 162, while the sum is 16.
The square root of 1030302331 is about 32098.3228689600. The cubic root of 1030302331 is about 1010.0004349245. Note that the first 3 decimals are identical.
Adding to 1030302331 its reverse (1332030301), we get a palindrome (2362332632).
The spelling of 1030302331 in words is "one billion, thirty million, three hundred two thousand, three hundred thirty-one".
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