Base | Representation |
---|---|
bin | 10011001100000111… |
… | …00000111101111011 |
3 | 222120222021112102211 |
4 | 21212003200331323 |
5 | 132044321211331 |
6 | 4422134235551 |
7 | 513203451346 |
oct | 114603407573 |
9 | 28528245384 |
10 | 10302132091 |
11 | 4407315359 |
12 | 1bb61b5bb7 |
13 | c82483864 |
14 | 6da32d45d |
15 | 40468d8b1 |
hex | 2660e0f7b |
10302132091 has 4 divisors (see below), whose sum is σ = 10303108912. Its totient is φ = 10301155272.
The previous prime is 10302132079. The next prime is 10302132109. The reversal of 10302132091 is 19023120301.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 10302132091 - 211 = 10302130043 is a prime.
It is a super-2 number, since 2×103021320912 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10302132041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472416 + ... + 493741.
It is an arithmetic number, because the mean of its divisors is an integer number (2575777228).
Almost surely, 210302132091 is an apocalyptic number.
10302132091 is a deficient number, since it is larger than the sum of its proper divisors (976821).
10302132091 is an equidigital number, since it uses as much as digits as its factorization.
10302132091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 976820.
The product of its (nonzero) digits is 324, while the sum is 22.
Adding to 10302132091 its reverse (19023120301), we get a palindrome (29325252392).
The spelling of 10302132091 in words is "ten billion, three hundred two million, one hundred thirty-two thousand, ninety-one".
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