Base | Representation |
---|---|
bin | 10001111100100100… |
… | …000110110101001111 |
3 | 1211201221100122111221 |
4 | 101330210012311033 |
5 | 303431021143020 |
6 | 12504040424211 |
7 | 1251343553005 |
oct | 217444066517 |
9 | 54657318457 |
10 | 19269709135 |
11 | 8199280756 |
12 | 3899478067 |
13 | 1a812c1071 |
14 | d0b304a75 |
15 | 77bab36aa |
hex | 47c906d4f |
19269709135 has 16 divisors (see below), whose sum is σ = 23220401184. Its totient is φ = 15351340032.
The previous prime is 19269709103. The next prime is 19269709159. The reversal of 19269709135 is 53190796291.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 19269709135 - 25 = 19269709103 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2816679 + ... + 2823511.
It is an arithmetic number, because the mean of its divisors is an integer number (1451275074).
Almost surely, 219269709135 is an apocalyptic number.
19269709135 is a deficient number, since it is larger than the sum of its proper divisors (3950692049).
19269709135 is a wasteful number, since it uses less digits than its factorization.
19269709135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9114.
The product of its (nonzero) digits is 918540, while the sum is 52.
The spelling of 19269709135 in words is "nineteen billion, two hundred sixty-nine million, seven hundred nine thousand, one hundred thirty-five".
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