Search a number
-
+
107577111681 = 321317157344497
BaseRepresentation
bin110010000110000011…
…0000111010010000001
3101021200020022111102200
41210030012013102001
53230304220033211
6121230434503413
710525601235054
oct1441406072201
9337606274380
10107577111681
1141694525276
1218a23434b69
13a1b5559290
1452c74c6a9b
152be954eb56
hex190c187481

107577111681 has 48 divisors (see below), whose sum is σ = 178314920784. Its totient is φ = 61910065152.

The previous prime is 107577111667. The next prime is 107577111683. The reversal of 107577111681 is 186111775701.

107577111681 is a `hidden beast` number, since 1 + 0 + 7 + 577 + 1 + 11 + 68 + 1 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 9511056 + 107567600625 = 3084^2 + 327975^2 .

It is not a de Polignac number, because 107577111681 - 27 = 107577111553 is a prime.

It is a super-2 number, since 2×1075771116812 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107577111683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140025 + ... + 484521.

It is an arithmetic number, because the mean of its divisors is an integer number (3714894183).

Almost surely, 2107577111681 is an apocalyptic number.

It is an amenable number.

107577111681 is a deficient number, since it is larger than the sum of its proper divisors (70737809103).

107577111681 is a wasteful number, since it uses less digits than its factorization.

107577111681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344690 (or 344687 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 45.

The spelling of 107577111681 in words is "one hundred seven billion, five hundred seventy-seven million, one hundred eleven thousand, six hundred eighty-one".

Divisors: 1 3 9 13 17 39 51 117 153 157 221 471 663 1413 1989 2041 2669 6123 8007 18369 24021 34697 104091 312273 344497 1033491 3100473 4478461 5856449 13435383 17569347 40306149 52708041 54086029 76133837 162258087 228401511 486774261 685204533 703118377 919462493 2109355131 2758387479 6328065393 8275162437 11953012409 35859037227 107577111681