Base | Representation |
---|---|
bin | 111101011010101… |
… | …011001001010101 |
3 | 2122210212212200221 |
4 | 331122223021111 |
5 | 4102240341040 |
6 | 250125034341 |
7 | 34351164226 |
oct | 7532531125 |
9 | 2583785627 |
10 | 1030402645 |
11 | 4896a9838 |
12 | 2490b59b1 |
13 | 13562350c |
14 | 9abc324d |
15 | 606d974a |
hex | 3d6ab255 |
1030402645 has 16 divisors (see below), whose sum is σ = 1331868672. Its totient is φ = 763044480.
The previous prime is 1030402643. The next prime is 1030402649. The reversal of 1030402645 is 5462040301.
1030402645 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1030402645 - 21 = 1030402643 is a prime.
It is a super-2 number, since 2×10304026452 = 2123459221645992050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030402643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140952 + ... + 148081.
It is an arithmetic number, because the mean of its divisors is an integer number (83241792).
Almost surely, 21030402645 is an apocalyptic number.
It is an amenable number.
1030402645 is a deficient number, since it is larger than the sum of its proper divisors (301466027).
1030402645 is a wasteful number, since it uses less digits than its factorization.
1030402645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 289092.
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 1030402645 is about 32099.8854359326. The cubic root of 1030402645 is about 1010.0332129718.
Adding to 1030402645 its reverse (5462040301), we get a palindrome (6492442946).
The spelling of 1030402645 in words is "one billion, thirty million, four hundred two thousand, six hundred forty-five".
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