Search a number
-
+
136045081068 = 2231329167180071
BaseRepresentation
bin111111010110011101…
…0110011000111101100
3111000011012211011220020
41332230322303013230
54212110020043233
6142255342122140
712554216052261
oct1765472630754
9430135734806
10136045081068
11527729a0aa6
1222449280350
13caa13c5a90
146828291268
1538139039b3
hex1faceb31ec

136045081068 has 96 divisors (see below), whose sum is σ = 355764648960. Its totient is φ = 40174337280.

The previous prime is 136045081063. The next prime is 136045081157. The reversal of 136045081068 is 860180540631.

It is not an unprimeable number, because it can be changed into a prime (136045081061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665473 + ... + 845543.

It is an arithmetic number, because the mean of its divisors is an integer number (3705881760).

Almost surely, 2136045081068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136045081068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177882324480).

136045081068 is an abundant number, since it is smaller than the sum of its proper divisors (219719567892).

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

136045081068 is a wasteful number, since it uses less digits than its factorization.

136045081068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180287 (or 180285 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 136045081068 in words is "one hundred thirty-six billion, forty-five million, eighty-one thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 29 39 52 58 78 87 116 156 167 174 334 348 377 501 668 754 1002 1131 1508 2004 2171 2262 4342 4524 4843 6513 8684 9686 13026 14529 19372 26052 29058 58116 62959 125918 180071 188877 251836 360142 377754 540213 720284 755508 1080426 2160852 2340923 4681846 5222059 7022769 9363692 10444118 14045538 15666177 20888236 28091076 30071857 31332354 60143714 62664708 67886767 90215571 120287428 135773534 180431142 203660301 271547068 360862284 390934141 407320602 781868282 814641204 872083853 1172802423 1563736564 1744167706 2345604846 2616251559 3488335412 4691209692 5232503118 10465006236 11337090089 22674180178 34011270267 45348360356 68022540534 136045081068