Base | Representation |
---|---|
bin | 10011001101011001… |
… | …00110100000011001 |
3 | 222121201112201220120 |
4 | 21212230212200121 |
5 | 132110100341211 |
6 | 4423201143453 |
7 | 513364140444 |
oct | 114654464031 |
9 | 28551481816 |
10 | 10312902681 |
11 | 4412401474 |
12 | 1bb992ab89 |
13 | c847850a3 |
14 | 6db93465b |
15 | 4055b9d06 |
hex | 266b26819 |
10312902681 has 4 divisors (see below), whose sum is σ = 13750536912. Its totient is φ = 6875268452.
The previous prime is 10312902673. The next prime is 10312902683. The reversal of 10312902681 is 18620921301.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18620921301 = 3 ⋅6206973767.
It is a cyclic number.
It is not a de Polignac number, because 10312902681 - 23 = 10312902673 is a prime.
It is a super-2 number, since 2×103129026812 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10312902683) 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, 1718817111 + ... + 1718817116.
It is an arithmetic number, because the mean of its divisors is an integer number (3437634228).
Almost surely, 210312902681 is an apocalyptic number.
It is an amenable number.
10312902681 is a deficient number, since it is larger than the sum of its proper divisors (3437634231).
10312902681 is an equidigital number, since it uses as much as digits as its factorization.
10312902681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3437634230.
The product of its (nonzero) digits is 5184, while the sum is 33.
The spelling of 10312902681 in words is "ten billion, three hundred twelve million, nine hundred two thousand, six hundred eighty-one".
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