Base | Representation |
---|---|
bin | 10010001001100111… |
… | …011010100001011010 |
3 | 1212022012101112002221 |
4 | 102021213122201122 |
5 | 304403100230101 |
6 | 12541502014254 |
7 | 1256643022054 |
oct | 221147324132 |
9 | 55265345087 |
10 | 19488680026 |
11 | 82a0940832 |
12 | 393a87738a |
13 | 1ab778b23a |
14 | d2c4248d4 |
15 | 790e18aa1 |
hex | 4899da85a |
19488680026 has 8 divisors (see below), whose sum is σ = 29327017824. Its totient is φ = 9713007420.
The previous prime is 19488680011. The next prime is 19488680033. The reversal of 19488680026 is 62008688491.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×194886800262 (a number of 21 digits) contains 22 as substring.
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, 15665520 + ... + 15666763.
It is an arithmetic number, because the mean of its divisors is an integer number (3665877228).
Almost surely, 219488680026 is an apocalyptic number.
19488680026 is a deficient number, since it is larger than the sum of its proper divisors (9838337798).
19488680026 is a wasteful number, since it uses less digits than its factorization.
19488680026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31332596.
The product of its (nonzero) digits is 1327104, while the sum is 52.
The spelling of 19488680026 in words is "nineteen billion, four hundred eighty-eight million, six hundred eighty thousand, twenty-six".
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