Base | Representation |
---|---|
bin | 10010000011010011… |
… | …001101100101110010 |
3 | 1212000211000020111012 |
4 | 102003103031211302 |
5 | 304143434032012 |
6 | 12523154550522 |
7 | 1254215260220 |
oct | 220323154562 |
9 | 55024006435 |
10 | 19382720882 |
11 | 824704a098 |
12 | 390b298442 |
13 | 1a9b83c215 |
14 | d1c321b10 |
15 | 786988622 |
hex | 4834cd972 |
19382720882 has 16 divisors (see below), whose sum is σ = 33235100160. Its totient is φ = 8304985728.
The previous prime is 19382720881. The next prime is 19382720921. The reversal of 19382720882 is 28802728391.
It is a self number, because there is not a number n which added to its sum of digits gives 19382720882.
It is not an unprimeable number, because it can be changed into a prime (19382720881) 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, 93407 + ... + 217922.
It is an arithmetic number, because the mean of its divisors is an integer number (2077193760).
Almost surely, 219382720882 is an apocalyptic number.
19382720882 is a deficient number, since it is larger than the sum of its proper divisors (13852379278).
19382720882 is a wasteful number, since it uses less digits than its factorization.
19382720882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315785.
The product of its (nonzero) digits is 774144, while the sum is 50.
The spelling of 19382720882 in words is "nineteen billion, three hundred eighty-two million, seven hundred twenty thousand, eight hundred eighty-two".
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