Base | Representation |
---|---|
bin | 11100101011100111111… |
… | …101101100010100001110 |
3 | 20222102110110021001201220 |
4 | 130223213331230110032 |
5 | 224243040100341031 |
6 | 4105243033544210 |
7 | 262253613533214 |
oct | 34534775542416 |
9 | 6872413231656 |
10 | 1970986730766 |
11 | 69a988698229 |
12 | 279ba7575066 |
13 | 113b2b741841 |
14 | 6b5794dacb4 |
15 | 3640ad13596 |
hex | 1cae7f6c50e |
1970986730766 has 8 divisors (see below), whose sum is σ = 3941973461544. Its totient is φ = 656995576920.
The previous prime is 1970986730761. The next prime is 1970986730789. The reversal of 1970986730766 is 6670376890791.
It is a sphenic number, since it is the product of 3 distinct primes.
1970986730766 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 1970986730766.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1970986730761) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164248894225 + ... + 164248894236.
It is an arithmetic number, because the mean of its divisors is an integer number (492746682693).
Almost surely, 21970986730766 is an apocalyptic number.
1970986730766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1970986730766 is a wasteful number, since it uses less digits than its factorization.
1970986730766 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328497788466.
The product of its (nonzero) digits is 144027072, while the sum is 69.
The spelling of 1970986730766 in words is "one trillion, nine hundred seventy billion, nine hundred eighty-six million, seven hundred thirty thousand, seven hundred sixty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •