Base | Representation |
---|---|
bin | 11011111011011110000… |
… | …111110101011110100100 |
3 | 20210111000001201002212122 |
4 | 123323132013311132210 |
5 | 222421142143310040 |
6 | 4025412254205112 |
7 | 255443411624144 |
oct | 33733607653644 |
9 | 6714001632778 |
10 | 1919282010020 |
11 | 67aa65728261 |
12 | 26bb777b3798 |
13 | 10bcab76191b |
14 | 68c72616924 |
15 | 34dd19861b5 |
hex | 1bede1f57a4 |
1919282010020 has 24 divisors (see below), whose sum is σ = 4034471031864. Its totient is φ = 766954935296.
The previous prime is 1919282010013. The next prime is 1919282010031. The reversal of 1919282010020 is 200102829191.
It can be written as a sum of positive squares in 4 ways, for example, as 142654268416 + 1776627741604 = 377696^2 + 1332902^2 .
It is a super-2 number, since 2×19192820100202 (a number of 25 digits) contains 22 as substring.
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, 47346029 + ... + 47386548.
It is an arithmetic number, because the mean of its divisors is an integer number (168102959661).
Almost surely, 21919282010020 is an apocalyptic number.
1919282010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1919282010020 is an abundant number, since it is smaller than the sum of its proper divisors (2115189021844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1919282010020 is a wasteful number, since it uses less digits than its factorization.
1919282010020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94733599 (or 94733597 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 35.
The spelling of 1919282010020 in words is "one trillion, nine hundred nineteen billion, two hundred eighty-two million, ten thousand, twenty".
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