Base | Representation |
---|---|
bin | 10001111010001101… |
… | …000011100110010100 |
3 | 1211122011211220122212 |
4 | 101322031003212110 |
5 | 303340402042043 |
6 | 12500104012552 |
7 | 1250353153622 |
oct | 217215034624 |
9 | 54564756585 |
10 | 19230112148 |
11 | 8178995975 |
12 | 3888161158 |
13 | 1a76038ab0 |
14 | d05d58512 |
15 | 778391018 |
hex | 47a343994 |
19230112148 has 24 divisors (see below), whose sum is σ = 36342351360. Its totient is φ = 8850705120.
The previous prime is 19230112147. The next prime is 19230112151. The reversal of 19230112148 is 84121103291.
It is a super-3 number, since 3×192301121483 (a number of 32 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19230112147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496388 + ... + 533723.
It is an arithmetic number, because the mean of its divisors is an integer number (1514264640).
Almost surely, 219230112148 is an apocalyptic number.
It is an amenable number.
19230112148 is a deficient number, since it is larger than the sum of its proper divisors (17112239212).
19230112148 is a wasteful number, since it uses less digits than its factorization.
19230112148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1030487 (or 1030485 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 32.
The spelling of 19230112148 in words is "nineteen billion, two hundred thirty million, one hundred twelve thousand, one hundred forty-eight".
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