Base | Representation |
---|---|
bin | 10001110010110110… |
… | …110110010101111001 |
3 | 1211022120220120000101 |
4 | 101302312312111321 |
5 | 303112323201134 |
6 | 12435542035401 |
7 | 1244325355351 |
oct | 216266662571 |
9 | 54276816011 |
10 | 19106850169 |
11 | 8115356370 |
12 | 3852a18b61 |
13 | 1a5663c204 |
14 | cd382db61 |
15 | 76c643e14 |
hex | 472db6579 |
19106850169 has 16 divisors (see below), whose sum is σ = 21322402560. Its totient is φ = 16972277760.
The previous prime is 19106850149. The next prime is 19106850197. The reversal of 19106850169 is 96105860191.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 19106850169 - 217 = 19106719097 is a prime.
It is a super-2 number, since 2×191068501692 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (19106850109) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286777 + ... + 347065.
It is an arithmetic number, because the mean of its divisors is an integer number (1332650160).
Almost surely, 219106850169 is an apocalyptic number.
It is an amenable number.
19106850169 is a deficient number, since it is larger than the sum of its proper divisors (2215552391).
19106850169 is a wasteful number, since it uses less digits than its factorization.
19106850169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60960.
The product of its (nonzero) digits is 116640, while the sum is 46.
The spelling of 19106850169 in words is "nineteen billion, one hundred six million, eight hundred fifty thousand, one hundred sixty-nine".
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