Base | Representation |
---|---|
bin | 10011011010001111… |
… | …11111101100010111 |
3 | 222220020110210112202 |
4 | 21231013333230113 |
5 | 132320202401111 |
6 | 4442012435115 |
7 | 516143613452 |
oct | 115507775427 |
9 | 28806423482 |
10 | 10420747031 |
11 | 4468270532 |
12 | 2029a78a9b |
13 | ca0c14206 |
14 | 70bda8499 |
15 | 40ecbdb3b |
hex | 26d1ffb17 |
10420747031 has 2 divisors, whose sum is σ = 10420747032. Its totient is φ = 10420747030.
The previous prime is 10420746967. The next prime is 10420747067. The reversal of 10420747031 is 13074702401.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 10420747031 - 26 = 10420746967 is a prime.
It is a super-2 number, since 2×104207470312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10420746985 and 10420747003.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10420747331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210373515 + 5210373516.
It is an arithmetic number, because the mean of its divisors is an integer number (5210373516).
Almost surely, 210420747031 is an apocalyptic number.
10420747031 is a deficient number, since it is larger than the sum of its proper divisors (1).
10420747031 is an equidigital number, since it uses as much as digits as its factorization.
10420747031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4704, while the sum is 29.
The spelling of 10420747031 in words is "ten billion, four hundred twenty million, seven hundred forty-seven thousand, thirty-one".
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