Base | Representation |
---|---|
bin | 10001110000101000… |
… | …100010101110101000 |
3 | 1211012222201021110200 |
4 | 101300220202232220 |
5 | 303023300423014 |
6 | 12432130312200 |
7 | 1243363314141 |
oct | 216050425650 |
9 | 54188637420 |
10 | 19069545384 |
11 | 80a629676a |
12 | 3842428660 |
13 | 1a4b9aa386 |
14 | ccc8bcac8 |
15 | 769225a09 |
hex | 470a22ba8 |
19069545384 has 24 divisors (see below), whose sum is σ = 51646685610. Its totient is φ = 6356515104.
The previous prime is 19069545361. The next prime is 19069545401. The reversal of 19069545384 is 48354596091.
19069545384 is a `hidden beast` number, since 1 + 9 + 0 + 69 + 545 + 38 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 14277860100 + 4791685284 = 119490^2 + 69222^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-2 number, since 2×190695453842 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 19069545384.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132427327 + ... + 132427470.
Almost surely, 219069545384 is an apocalyptic number.
It is an amenable number.
19069545384 is an abundant number, since it is smaller than the sum of its proper divisors (32577140226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19069545384 is a wasteful number, since it uses less digits than its factorization.
19069545384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 264854809 (or 264854802 counting only the distinct ones).
The product of its (nonzero) digits is 4665600, while the sum is 54.
It can be divided in two parts, 19069 and 545384, that added together give a triangular number (564453 = T1062).
The spelling of 19069545384 in words is "nineteen billion, sixty-nine million, five hundred forty-five thousand, three hundred eighty-four".
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