Base | Representation |
---|---|
bin | 10001111010111010… |
… | …110100011110110010 |
3 | 1211200000102102001011 |
4 | 101322322310132302 |
5 | 303401434440400 |
6 | 12501213101134 |
7 | 1250560140466 |
oct | 217272643662 |
9 | 54600372034 |
10 | 19242108850 |
11 | 818473a1a8 |
12 | 38901877aa |
13 | 1a78679433 |
14 | d0779c4a6 |
15 | 7794608ba |
hex | 47aeb47b2 |
19242108850 has 12 divisors (see below), whose sum is σ = 35790322554. Its totient is φ = 7696843520.
The previous prime is 19242108839. The next prime is 19242108863. The reversal of 19242108850 is 5880124291.
It can be written as a sum of positive squares in 3 ways, for example, as 14382485329 + 4859623521 = 119927^2 + 69711^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192421039 + ... + 192421138.
Almost surely, 219242108850 is an apocalyptic number.
19242108850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19242108850 is a deficient number, since it is larger than the sum of its proper divisors (16548213704).
19242108850 is a wasteful number, since it uses less digits than its factorization.
19242108850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 384842189 (or 384842184 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 40.
The spelling of 19242108850 in words is "nineteen billion, two hundred forty-two million, one hundred eight thousand, eight hundred fifty".
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