Base | Representation |
---|---|
bin | 1001000100111110010100… |
… | …11111000001011111000000 |
3 | 2121200100200210000221012121 |
4 | 10202133022133001133000 |
5 | 10104024400144422223 |
6 | 110242244455134024 |
7 | 4130133461450362 |
oct | 442371237013700 |
9 | 77610623027177 |
10 | 19962110154688 |
11 | 63a6979853499 |
12 | 22a495a374314 |
13 | b1a55a466420 |
14 | 4d0258020d32 |
15 | 2493d877015d |
hex | 1227ca7c17c0 |
19962110154688 has 168 divisors, whose sum is σ = 44109358185984. Its totient is φ = 8910124001280.
The previous prime is 19962110154673. The next prime is 19962110154689. The reversal of 19962110154688 is 88645101126991.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19962110154689) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1329647470 + ... + 1329662482.
It is an arithmetic number, because the mean of its divisors is an integer number (262555703488).
Almost surely, 219962110154688 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19962110154688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22054679092992).
19962110154688 is an abundant number, since it is smaller than the sum of its proper divisors (24147248031296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19962110154688 is a wasteful number, since it uses less digits than its factorization.
19962110154688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16763 (or 16722 counting only the distinct ones).
The product of its (nonzero) digits is 7464960, while the sum is 61.
The spelling of 19962110154688 in words is "nineteen trillion, nine hundred sixty-two billion, one hundred ten million, one hundred fifty-four thousand, six hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •