Search a number
-
+
131745655448 = 23112365091727
BaseRepresentation
bin111101010110010100…
…1110010101010011000
3110121001120200201201022
41322230221302222120
54124303341433243
6140304554342012
712342531410561
oct1725451625230
9417046621638
10131745655448
1150966a95990
122164942a908
13c567747b54
14653b277168
153661234b68
hex1eaca72a98

131745655448 has 32 divisors (see below), whose sum is σ = 281196264960. Its totient is φ = 57280718880.

The previous prime is 131745655441. The next prime is 131745655451. The reversal of 131745655448 is 844556547131.

It is a self number, because there is not a number n which added to its sum of digits gives 131745655448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131745655441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32543840 + ... + 32547887.

It is an arithmetic number, because the mean of its divisors is an integer number (8787383280).

Almost surely, 2131745655448 is an apocalyptic number.

It is an amenable number.

131745655448 is an abundant number, since it is smaller than the sum of its proper divisors (149450609512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131745655448 is a wasteful number, since it uses less digits than its factorization.

131745655448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65091767 (or 65091763 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 53.

The spelling of 131745655448 in words is "one hundred thirty-one billion, seven hundred forty-five million, six hundred fifty-five thousand, four hundred forty-eight".

Divisors: 1 2 4 8 11 22 23 44 46 88 92 184 253 506 1012 2024 65091727 130183454 260366908 520733816 716008997 1432017994 1497109721 2864035988 2994219442 5728071976 5988438884 11976877768 16468206931 32936413862 65872827724 131745655448