Base | Representation |
---|---|
bin | 10011001100000110… |
… | …00001000101110001 |
3 | 222120222000220022220 |
4 | 21212003001011301 |
5 | 132044303022041 |
6 | 4422131351253 |
7 | 513202365600 |
oct | 114603010561 |
9 | 28528026286 |
10 | 10302001521 |
11 | 4407236249 |
12 | 1bb6152529 |
13 | c824392b6 |
14 | 6da2d7a37 |
15 | 404664d66 |
hex | 2660c1171 |
10302001521 has 24 divisors (see below), whose sum is σ = 16024478400. Its totient is φ = 5869960992.
The previous prime is 10302001517. The next prime is 10302001529. The reversal of 10302001521 is 12510020301.
It is not a de Polignac number, because 10302001521 - 22 = 10302001517 is a prime.
It is a super-2 number, since 2×103020015212 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 10302001521.
It is not an unprimeable number, because it can be changed into a prime (10302001529) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49101 + ... + 151706.
It is an arithmetic number, because the mean of its divisors is an integer number (667686600).
Almost surely, 210302001521 is an apocalyptic number.
It is an amenable number.
10302001521 is a deficient number, since it is larger than the sum of its proper divisors (5722476879).
10302001521 is a wasteful number, since it uses less digits than its factorization.
10302001521 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 201173 (or 201166 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 15.
Adding to 10302001521 its reverse (12510020301), we get a palindrome (22812021822).
The spelling of 10302001521 in words is "ten billion, three hundred two million, one thousand, five hundred twenty-one".
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