Base | Representation |
---|---|
bin | 10001101111101101… |
… | …110011010110000000 |
3 | 1211011220201221210002 |
4 | 101233231303112000 |
5 | 303010330200234 |
6 | 12430420255132 |
7 | 1243115401550 |
oct | 215755632600 |
9 | 54156657702 |
10 | 19054146944 |
11 | 8098629688 |
12 | 38392414a8 |
13 | 1a48748581 |
14 | cca831160 |
15 | 767bd327e |
hex | 46fb73580 |
19054146944 has 32 divisors (see below), whose sum is σ = 43382211600. Its totient is φ = 8166062592.
The previous prime is 19054146919. The next prime is 19054146949. The reversal of 19054146944 is 44964145091.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19054146949) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10631999 + ... + 10633790.
Almost surely, 219054146944 is an apocalyptic number.
19054146944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
19054146944 is an abundant number, since it is smaller than the sum of its proper divisors (24328064656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19054146944 is an equidigital number, since it uses as much as digits as its factorization.
19054146944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21265810 (or 21265798 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 47.
The spelling of 19054146944 in words is "nineteen billion, fifty-four million, one hundred forty-six thousand, nine hundred forty-four".
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