Base | Representation |
---|---|
bin | 10011011000101000… |
… | …01011000000000101 |
3 | 222212021220121012022 |
4 | 21230110023000011 |
5 | 132303213134421 |
6 | 4440405332525 |
7 | 515620262525 |
oct | 115424130005 |
9 | 28767817168 |
10 | 10407161861 |
11 | 4460631818 |
12 | 2025407145 |
13 | c9b168855 |
14 | 70a26d685 |
15 | 40d9d87ab |
hex | 26c50b005 |
10407161861 has 2 divisors, whose sum is σ = 10407161862. Its totient is φ = 10407161860.
The previous prime is 10407161839. The next prime is 10407161899. The reversal of 10407161861 is 16816170401.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9298937761 + 1108224100 = 96431^2 + 33290^2 .
It is an emirp because it is prime and its reverse (16816170401) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10407161861 - 218 = 10406899717 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10407161161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5203580930 + 5203580931.
It is an arithmetic number, because the mean of its divisors is an integer number (5203580931).
Almost surely, 210407161861 is an apocalyptic number.
It is an amenable number.
10407161861 is a deficient number, since it is larger than the sum of its proper divisors (1).
10407161861 is an equidigital number, since it uses as much as digits as its factorization.
10407161861 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8064, while the sum is 35.
The spelling of 10407161861 in words is "ten billion, four hundred seven million, one hundred sixty-one thousand, eight hundred sixty-one".
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