Search a number
-
+
40749057443941 = 711677898634899
BaseRepresentation
bin10010100001111101000010…
…00110000000100001100101
312100021120102212122202211121
421100332201012000201211
520320113032201201231
6222355505240533541
711404010426212120
oct1120764106004145
9170246385582747
1040749057443941
1111a9063a668470
1246a1534a812b1
13199780942a932
14a0c39cc773b7
154a9e9aa33311
hex250fa1180865

40749057443941 has 16 divisors (see below), whose sum is σ = 51562288627200. Its totient is φ = 31278594196080.

The previous prime is 40749057443921. The next prime is 40749057443953. The reversal of 40749057443941 is 14934475094704.

It is not a de Polignac number, because 40749057443941 - 25 = 40749057443909 is a prime.

It is a super-2 number, since 2×407490574439412 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40749057443941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40749057443921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3949312291 + ... + 3949322608.

It is an arithmetic number, because the mean of its divisors is an integer number (3222643039200).

Almost surely, 240749057443941 is an apocalyptic number.

It is an amenable number.

40749057443941 is a deficient number, since it is larger than the sum of its proper divisors (10813231183259).

40749057443941 is a wasteful number, since it uses less digits than its factorization.

40749057443941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7898634984.

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 40749057443941 in words is "forty trillion, seven hundred forty-nine billion, fifty-seven million, four hundred forty-three thousand, nine hundred forty-one".

Divisors: 1 7 11 67 77 469 737 5159 7898634899 55290444293 86884983889 529208538233 608194887223 3704459767631 5821293920563 40749057443941