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1970986730766 = 23328497788461
BaseRepresentation
bin11100101011100111111…
…101101100010100001110
320222102110110021001201220
4130223213331230110032
5224243040100341031
64105243033544210
7262253613533214
oct34534775542416
96872413231656
101970986730766
1169a988698229
12279ba7575066
13113b2b741841
146b5794dacb4
153640ad13596
hex1cae7f6c50e

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".

Divisors: 1 2 3 6 328497788461 656995576922 985493365383 1970986730766