Search a number
-
+
105002312544 = 2532547666529
BaseRepresentation
bin110000111001010100…
…0000010001101100000
3101001000210101011000200
41201302220002031200
53210021043000134
6120123135545200
710405024634043
oct1416250021540
9331023334020
10105002312544
11405930825a8
121842508b200
139b94c9aaac
145121564c5a
152ae849b499
hex1872a02360

105002312544 has 72 divisors (see below), whose sum is σ = 299146662360. Its totient is φ = 34936731648.

The previous prime is 105002312509. The next prime is 105002312573. The reversal of 105002312544 is 445213200501.

105002312544 is a `hidden beast` number, since 10 + 500 + 23 + 125 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1050023125442 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 175729 + ... + 490800.

It is an arithmetic number, because the mean of its divisors is an integer number (4154814755).

Almost surely, 2105002312544 is an apocalyptic number.

It is an amenable number.

105002312544 is an abundant number, since it is smaller than the sum of its proper divisors (194144349816).

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

105002312544 is a wasteful number, since it uses less digits than its factorization.

105002312544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667092 (or 667081 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 105002312544 in words is "one hundred five billion, two million, three hundred twelve thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 547 1094 1641 2188 3282 4376 4923 6564 8752 9846 13128 17504 19692 26256 39384 52512 78768 157536 666529 1333058 1999587 2666116 3999174 5332232 5998761 7998348 10664464 11997522 15996696 21328928 23995044 31993392 47990088 63986784 95980176 191960352 364591363 729182726 1093774089 1458365452 2187548178 2916730904 3281322267 4375096356 5833461808 6562644534 8750192712 11666923616 13125289068 17500385424 26250578136 35000770848 52501156272 105002312544