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136686962944 = 287233012
BaseRepresentation
bin111111101001100101…
…1011000100100000000
3111001210221122011022001
41333103023120210000
54214413330303234
6142443151553344
712606142005100
oct1772313304400
9431727564261
10136686962944
1152a72255394
12225a822b854
13cb7439693c
14688961b200
15384ee45d14
hex1fd32d8900

136686962944 has 81 divisors (see below), whose sum is σ = 317481474681. Its totient is φ = 58562380800.

The previous prime is 136686962899. The next prime is 136686962947. The reversal of 136686962944 is 449269686631.

The square root of 136686962944 is 369712.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 28261644544 + 108425318400 = 168112^2 + 329280^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (136686962947) 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 8 ways as a sum of consecutive naturals, for example, 41406094 + ... + 41409394.

Almost surely, 2136686962944 is an apocalyptic number.

136686962944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136686962944 is the 369712-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136686962944

136686962944 is an abundant number, since it is smaller than the sum of its proper divisors (180794511737).

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

136686962944 is an frugal number, since it uses more digits than its factorization.

136686962944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632 (or 3310 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 64.

Multiplying 136686962944 by its sum of digits (64), we get a square (8747965628416 = 29576962).

136686962944 divided by its sum of digits (64) gives a square (2135733796 = 462142).

The spelling of 136686962944 in words is "one hundred thirty-six billion, six hundred eighty-six million, nine hundred sixty-two thousand, nine hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 784 896 1568 1792 3136 3301 6272 6602 12544 13204 23107 26408 46214 52816 92428 105632 161749 184856 211264 323498 369712 422528 646996 739424 845056 1293992 1478848 2587984 2957696 5175968 5915392 10351936 10896601 20703872 21793202 41407744 43586404 76276207 87172808 152552414 174345616 305104828 348691232 533933449 610209656 697382464 1067866898 1220419312 1394764928 2135733796 2440838624 2789529856 4271467592 4881677248 8542935184 9763354496 17085870368 19526708992 34171740736 68343481472 136686962944