Base | Representation |
---|---|
bin | 11101000010111101111… |
… | …001001110011110100000 |
3 | 21001211011012120200012100 |
4 | 131002331321032132200 |
5 | 230200402441030142 |
6 | 4124550102130400 |
7 | 264131666120121 |
oct | 35027571163640 |
9 | 7054135520170 |
10 | 1996050720672 |
11 | 6aa57a65a878 |
12 | 282a21420a00 |
13 | 1162c42c10b8 |
14 | 6c876180048 |
15 | 36dc6425b4c |
hex | 1d0bde4e7a0 |
1996050720672 has 144 divisors (see below), whose sum is σ = 6059176643520. Its totient is φ = 621453772800.
The previous prime is 1996050720659. The next prime is 1996050720683. The reversal of 1996050720672 is 2760270506991.
1996050720672 is a `hidden beast` number, since 1 + 9 + 9 + 60 + 507 + 2 + 0 + 6 + 72 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-3 number, since 3×19960507206723 (a number of 38 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2180329 + ... + 2957352.
It is an arithmetic number, because the mean of its divisors is an integer number (42077615580).
Almost surely, 21996050720672 is an apocalyptic number.
1996050720672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1996050720672 is an abundant number, since it is smaller than the sum of its proper divisors (4063125922848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1996050720672 is a wasteful number, since it uses less digits than its factorization.
1996050720672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5137787 (or 5137776 counting only the distinct ones).
The product of its (nonzero) digits is 2857680, while the sum is 54.
The spelling of 1996050720672 in words is "one trillion, nine hundred ninety-six billion, fifty million, seven hundred twenty thousand, six hundred seventy-two".
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