Search a number
-
+
105354443215 = 5729127817303
BaseRepresentation
bin110001000011110011…
…1010011100111001111
3101001221022222020111101
41202013213103213033
53211231214140330
6120222115203531
710416531664060
oct1420747234717
9331838866441
10105354443215
114075392258a
1218502ba65a7
139c1cc1ba38
145156228567
152b193564ca
hex18879d39cf

105354443215 has 32 divisors (see below), whose sum is σ = 150645473280. Its totient is φ = 69202594944.

The previous prime is 105354443197. The next prime is 105354443231. The reversal of 105354443215 is 512344453501.

It is not a de Polignac number, because 105354443215 - 27 = 105354443087 is a prime.

It is a super-2 number, since 2×1053544432152 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279747 + ... + 537556.

It is an arithmetic number, because the mean of its divisors is an integer number (4707671040).

Almost surely, 2105354443215 is an apocalyptic number.

105354443215 is a deficient number, since it is larger than the sum of its proper divisors (45291030065).

105354443215 is a wasteful number, since it uses less digits than its factorization.

105354443215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817471.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 105354443215 its reverse (512344453501), we get a palindrome (617698896716).

The spelling of 105354443215 in words is "one hundred five billion, three hundred fifty-four million, four hundred forty-three thousand, two hundred fifteen".

Divisors: 1 5 7 29 35 127 145 203 635 889 1015 3683 4445 18415 25781 128905 817303 4086515 5721121 23701787 28605605 103797481 118508935 165912509 518987405 726582367 829562545 3010126949 3632911835 15050634745 21070888643 105354443215