Base | Representation |
---|---|
bin | 10010010010000000… |
… | …010110010100100100 |
3 | 1212200000020120110120 |
4 | 102102000112110210 |
5 | 310200113343043 |
6 | 13003450521540 |
7 | 1263302302662 |
oct | 222200262444 |
9 | 55600216416 |
10 | 19629434148 |
11 | 8363338455 |
12 | 3979a362b0 |
13 | 1b0a9a08bc |
14 | d42dc3c32 |
15 | 79d46d983 |
hex | 492016524 |
19629434148 has 24 divisors (see below), whose sum is σ = 45808297920. Its totient is φ = 6542246880.
The previous prime is 19629434141. The next prime is 19629434159. The reversal of 19629434148 is 84143492691.
It is a self number, because there is not a number n which added to its sum of digits gives 19629434148.
It is not an unprimeable number, because it can be changed into a prime (19629434141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17968 + ... + 198951.
It is an arithmetic number, because the mean of its divisors is an integer number (1908679080).
Almost surely, 219629434148 is an apocalyptic number.
It is an amenable number.
19629434148 is an abundant number, since it is smaller than the sum of its proper divisors (26178863772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19629434148 is a wasteful number, since it uses less digits than its factorization.
19629434148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 224467 (or 224465 counting only the distinct ones).
The product of its digits is 1492992, while the sum is 51.
The spelling of 19629434148 in words is "nineteen billion, six hundred twenty-nine million, four hundred thirty-four thousand, one hundred forty-eight".
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