Base | Representation |
---|---|
bin | 1110110111011… |
… | …10101000101111 |
3 | 22200122220011112 |
4 | 13123232220233 |
5 | 223411200143 |
6 | 20212542235 |
7 | 3043004216 |
oct | 733565057 |
9 | 280586145 |
10 | 124709423 |
11 | 64439043 |
12 | 3592197b |
13 | 1cab5677 |
14 | 127c407d |
15 | ae35e18 |
hex | 76eea2f |
124709423 has 2 divisors, whose sum is σ = 124709424. Its totient is φ = 124709422.
The previous prime is 124709411. The next prime is 124709443. The reversal of 124709423 is 324907421.
It is a weak prime.
It is an emirp because it is prime and its reverse (324907421) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 124709423 - 214 = 124693039 is a prime.
It is a Sophie Germain prime.
It is a self number, because there is not a number n which added to its sum of digits gives 124709423.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (124709443) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62354711 + 62354712.
It is an arithmetic number, because the mean of its divisors is an integer number (62354712).
Almost surely, 2124709423 is an apocalyptic number.
124709423 is a deficient number, since it is larger than the sum of its proper divisors (1).
124709423 is an equidigital number, since it uses as much as digits as its factorization.
124709423 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 124709423 is about 11167.3373281190. The cubic root of 124709423 is about 499.6122633984.
The spelling of 124709423 in words is "one hundred twenty-four million, seven hundred nine thousand, four hundred twenty-three".
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