Base | Representation |
---|---|
bin | 1101010110000000… |
… | …00111010001100111 |
3 | 200111021010212201211 |
4 | 12223000013101213 |
5 | 104132424313111 |
6 | 3142511132251 |
7 | 342346103560 |
oct | 65300072147 |
9 | 20437125654 |
10 | 7163901031 |
11 | 3046920971 |
12 | 147b214087 |
13 | 8a22611c1 |
14 | 4bd623167 |
15 | 2bdde2521 |
hex | 1ab007467 |
7163901031 has 16 divisors (see below), whose sum is σ = 8675202816. Its totient is φ = 5775094656.
The previous prime is 7163901029. The next prime is 7163901047. The reversal of 7163901031 is 1301093617.
It is a cyclic number.
It is not a de Polignac number, because 7163901031 - 21 = 7163901029 is a prime.
It is a super-2 number, since 2×71639010312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 7163900984 and 7163901002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7163901071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148720 + ... + 190906.
It is an arithmetic number, because the mean of its divisors is an integer number (542200176).
Almost surely, 27163901031 is an apocalyptic number.
7163901031 is a deficient number, since it is larger than the sum of its proper divisors (1511301785).
7163901031 is a wasteful number, since it uses less digits than its factorization.
7163901031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43638.
The product of its (nonzero) digits is 3402, while the sum is 31.
The square root of 7163901031 is about 84639.8312321096. The cubic root of 7163901031 is about 1927.7462152791.
Adding to 7163901031 its reverse (1301093617), we get a palindrome (8464994648).
The spelling of 7163901031 in words is "seven billion, one hundred sixty-three million, nine hundred one thousand, thirty-one".
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