Base | Representation |
---|---|
bin | 10010001001000110… |
… | …010101101110001000 |
3 | 1212021121002000112100 |
4 | 102021012111232020 |
5 | 304343340301413 |
6 | 12540552113400 |
7 | 1256506230633 |
oct | 221106255610 |
9 | 55247060470 |
10 | 19480009608 |
11 | 8296a595a4 |
12 | 3937995860 |
13 | 1ab5a43907 |
14 | d2b208c1a |
15 | 7902a4a73 |
hex | 489195b88 |
19480009608 has 48 divisors (see below), whose sum is σ = 52766829180. Its totient is φ = 6492294144.
The previous prime is 19480009573. The next prime is 19480009649. The reversal of 19480009608 is 80690008491.
It can be written as a sum of positive squares in 2 ways, for example, as 19415078244 + 64931364 = 139338^2 + 8058^2 .
It is a super-3 number, since 3×194800096083 (a number of 32 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524716 + ... + 560612.
Almost surely, 219480009608 is an apocalyptic number.
19480009608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
19480009608 is an abundant number, since it is smaller than the sum of its proper divisors (33286819572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19480009608 is a wasteful number, since it uses less digits than its factorization.
19480009608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43446 (or 43439 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 45.
The spelling of 19480009608 in words is "nineteen billion, four hundred eighty million, nine thousand, six hundred eight".
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