Base | Representation |
---|---|
bin | 10001100001000101… |
… | …101100000001001001 |
3 | 1210112210222111200001 |
4 | 101201011230001021 |
5 | 302010020001103 |
6 | 12350212443001 |
7 | 1234045511164 |
oct | 214105540111 |
9 | 53483874601 |
10 | 18808750153 |
11 | 7a8205a416 |
12 | 378b019461 |
13 | 1a0995817b |
14 | ca5dd2adb |
15 | 7513ad01d |
hex | 46116c049 |
18808750153 has 2 divisors, whose sum is σ = 18808750154. Its totient is φ = 18808750152.
The previous prime is 18808750151. The next prime is 18808750159. The reversal of 18808750153 is 35105780881.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18688803849 + 119946304 = 136707^2 + 10952^2 .
It is a cyclic number.
It is not a de Polignac number, because 18808750153 - 21 = 18808750151 is a prime.
Together with 18808750151, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (18808750151) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9404375076 + 9404375077.
It is an arithmetic number, because the mean of its divisors is an integer number (9404375077).
Almost surely, 218808750153 is an apocalyptic number.
It is an amenable number.
18808750153 is a deficient number, since it is larger than the sum of its proper divisors (1).
18808750153 is an equidigital number, since it uses as much as digits as its factorization.
18808750153 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 268800, while the sum is 46.
The spelling of 18808750153 in words is "eighteen billion, eight hundred eight million, seven hundred fifty thousand, one hundred fifty-three".
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