Base | Representation |
---|---|
bin | 10010000100100100… |
… | …011000101100000110 |
3 | 1212002022001022221220 |
4 | 102010210120230012 |
5 | 304214411000011 |
6 | 12525235021210 |
7 | 1254564164406 |
oct | 220444305406 |
9 | 55068038856 |
10 | 19404000006 |
11 | 8258063446 |
12 | 391643a806 |
13 | 1aa307c911 |
14 | d210a0806 |
15 | 78878d506 |
hex | 484918b06 |
19404000006 has 16 divisors (see below), whose sum is σ = 38810109744. Its totient is φ = 6467648384.
The previous prime is 19403999999. The next prime is 19404000017. The reversal of 19404000006 is 60000040491.
It is a super-4 number, since 4×194040000064 (a number of 42 digits) contains 4444 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 19404000006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47770 + ... + 202706.
It is an arithmetic number, because the mean of its divisors is an integer number (2425631859).
Almost surely, 219404000006 is an apocalyptic number.
19404000006 is an abundant number, since it is smaller than the sum of its proper divisors (19406109738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19404000006 is a wasteful number, since it uses less digits than its factorization.
19404000006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175815.
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 19404000006 its reverse (60000040491), we get a palindrome (79404040497).
The spelling of 19404000006 in words is "nineteen billion, four hundred four million, six", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •