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105545221054 = 27133771921799
BaseRepresentation
bin110001001001011111…
…1000100001110111110
3101002102121221202111021
41202102333010032332
53212124034033204
6120253052214354
710424336401510
oct1422277041676
9332377852437
10105545221054
1140841586819
1218556a6a3ba
139c505c7530
1451736c9bb0
152b2ae8d154
hex1892fc43be

105545221054 has 64 divisors (see below), whose sum is σ = 200406528000. Its totient is φ = 40567298688.

The previous prime is 105545221051. The next prime is 105545221087. The reversal of 105545221054 is 450122545501.

It is a super-2 number, since 2×1055452210542 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105545221051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4830847 + ... + 4852645.

It is an arithmetic number, because the mean of its divisors is an integer number (3131352000).

Almost surely, 2105545221054 is an apocalyptic number.

105545221054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105545221054 is a deficient number, since it is larger than the sum of its proper divisors (94861306946).

105545221054 is a wasteful number, since it uses less digits than its factorization.

105545221054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22577.

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 105545221054 its reverse (450122545501), we get a palindrome (555667766555).

The spelling of 105545221054 in words is "one hundred five billion, five hundred forty-five million, two hundred twenty-one thousand, fifty-four".

Divisors: 1 2 7 13 14 26 37 74 91 182 259 481 518 719 962 1438 3367 5033 6734 9347 10066 18694 21799 26603 43598 53206 65429 130858 152593 186221 283387 305186 345839 372442 566774 691678 806563 1613126 1983709 2420873 3967418 4841746 5645941 10485319 11291882 15673481 20970638 31346962 73397233 109714367 146794466 203755253 219428734 407510506 579918797 1159837594 1426286771 2852573542 4059431579 7538944361 8118863158 15077888722 52772610527 105545221054