Base | Representation |
---|---|
bin | 10010101011101011… |
… | …00010001000100101 |
3 | 221220000021101110100 |
4 | 21111311202020211 |
5 | 131020142001042 |
6 | 4335134214313 |
7 | 503360601021 |
oct | 112565421045 |
9 | 27800241410 |
10 | 10030031397 |
11 | 4287767051 |
12 | 1b3b054399 |
13 | c3aca3829 |
14 | 6b213d381 |
15 | 3da84124c |
hex | 255d62225 |
10030031397 has 6 divisors (see below), whose sum is σ = 14487823142. Its totient is φ = 6686687592.
The previous prime is 10030031359. The next prime is 10030031411. The reversal of 10030031397 is 79313003001.
It can be written as a sum of positive squares in only one way, i.e., 6785475876 + 3244555521 = 82374^2 + 56961^2 .
It is not a de Polignac number, because 10030031397 - 226 = 9962922533 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10030031397.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10030031317) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557223958 + ... + 557223975.
Almost surely, 210030031397 is an apocalyptic number.
It is an amenable number.
10030031397 is a deficient number, since it is larger than the sum of its proper divisors (4457791745).
10030031397 is a wasteful number, since it uses less digits than its factorization.
10030031397 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1114447939 (or 1114447936 counting only the distinct ones).
The product of its (nonzero) digits is 1701, while the sum is 27.
Adding to 10030031397 its reverse (79313003001), we get a palindrome (89343034398).
The spelling of 10030031397 in words is "ten billion, thirty million, thirty-one thousand, three hundred ninety-seven".
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