Search a number
-
+
6991330300001 = 31379467643849
BaseRepresentation
bin110010110111100101111…
…0000100101000001100001
3220202100211211101120210022
41211233023300211001201
51404021221024100001
622511434531443225
71321051453014005
oct145571360450141
926670754346708
106991330300001
112256008766423
1294ab72456515
133b9383424828
141a254ca40705
15c1cd951911b
hex65bcbc25061

6991330300001 has 16 divisors (see below), whose sum is σ = 7412701708800. Its totient is φ = 6582238381440.

The previous prime is 6991330299883. The next prime is 6991330300037. The reversal of 6991330300001 is 1000030331996.

It is a cyclic number.

It is not a de Polignac number, because 6991330300001 - 234 = 6974150430817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6991330309001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10536725 + ... + 11180573.

It is an arithmetic number, because the mean of its divisors is an integer number (463293856800).

Almost surely, 26991330300001 is an apocalyptic number.

It is an amenable number.

6991330300001 is a deficient number, since it is larger than the sum of its proper divisors (421371408799).

6991330300001 is a wasteful number, since it uses less digits than its factorization.

6991330300001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653384.

The product of its (nonzero) digits is 13122, while the sum is 35.

Adding to 6991330300001 its reverse (1000030331996), we get a palindrome (7991360631997).

The spelling of 6991330300001 in words is "six trillion, nine hundred ninety-one billion, three hundred thirty million, three hundred thousand, one".

Divisors: 1 31 37 1147 9467 293477 350279 643849 10858649 19959319 23822413 738494803 6095318483 188954872973 225526783871 6991330300001