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107555793849 = 3274232972
BaseRepresentation
bin110010000101011010…
…0110010101110111001
3101021121202012102212100
41210022310302232321
53230233240400344
6121224353534013
710525222110000
oct1441264625671
9337552172770
10107555793849
1141683494929
1218a18274309
13a1b100408a
1452c4737c37
152be773d569
hex190ad32bb9

107555793849 has 135 divisors (see below), whose sum is σ = 191436650223. Its totient is φ = 58182195456.

The previous prime is 107555793799. The next prime is 107555793857. The reversal of 107555793849 is 948397555701.

The square root of 107555793849 is 327957.

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

107555793849 is a `hidden beast` number, since 1 + 0 + 7 + 5 + 557 + 9 + 38 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48296655225 + 59259138624 = 219765^2 + 243432^2 .

It is not a de Polignac number, because 107555793849 - 29 = 107555793337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (107555793049) 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 134 ways as a sum of consecutive naturals, for example, 1108822569 + ... + 1108822665.

Almost surely, 2107555793849 is an apocalyptic number.

107555793849 is the 327957-th square number.

107555793849 is the 163979-th centered octagonal number.

It is an amenable number.

107555793849 is a deficient number, since it is larger than the sum of its proper divisors (83880856374).

107555793849 is an frugal number, since it uses more digits than its factorization.

107555793849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 47628000, while the sum is 63.

The spelling of 107555793849 in words is "one hundred seven billion, five hundred fifty-five million, seven hundred ninety-three thousand, eight hundred forty-nine".

Divisors: 1 3 7 9 21 23 49 63 69 97 147 161 207 291 343 441 483 529 679 873 1029 1127 1449 1587 2037 2231 2401 3087 3381 3703 4753 4761 6111 6693 7203 7889 9409 10143 11109 14259 15617 20079 21609 23667 25921 28227 33271 33327 42777 46851 51313 55223 65863 71001 77763 84681 99813 109319 140553 153939 165669 181447 197589 216407 232897 233289 299439 327957 359191 461041 461817 497007 544341 592767 649221 698691 765233 983871 1077573 1270129 1383123 1514849 1633023 1947663 2096073 2295699 2514337 3227287 3232719 3810387 4149369 4544547 4977361 5356631 6887097 7543011 9681861 10603943 11431161 13633641 14932083 16069893 17600359 22591009 22629033 29045583 31811829 34841527 44796249 48209679 52801077 67773027 74227601 95435487 104524581 123202513 158403231 203319081 222682803 243890689 313573743 369607539 519593207 668048409 731672067 1108822617 1558779621 1707234823 2195016201 4676338863 5121704469 11950643761 15365113407 35851931283 107555793849