Base | Representation |
---|---|
bin | 10010000011011110… |
… | …000111011001011110 |
3 | 1212001000101110020012 |
4 | 102003132013121132 |
5 | 304200202012402 |
6 | 12523340123222 |
7 | 1254251463221 |
oct | 220336073136 |
9 | 55030343205 |
10 | 19385579102 |
11 | 824872155a |
12 | 3910236512 |
13 | 1a9c300186 |
14 | d1c8675b8 |
15 | 786d50452 |
hex | 48378765e |
19385579102 has 8 divisors (see below), whose sum is σ = 29428710696. Its totient is φ = 9576008872.
The previous prime is 19385579099. The next prime is 19385579117. The reversal of 19385579102 is 20197558391.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58390133 + ... + 58390464.
It is an arithmetic number, because the mean of its divisors is an integer number (3678588837).
Almost surely, 219385579102 is an apocalyptic number.
19385579102 is a deficient number, since it is larger than the sum of its proper divisors (10043131594).
19385579102 is a wasteful number, since it uses less digits than its factorization.
19385579102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116780682.
The product of its (nonzero) digits is 680400, while the sum is 50.
The spelling of 19385579102 in words is "nineteen billion, three hundred eighty-five million, five hundred seventy-nine thousand, one hundred two".
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