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105505105101 = 311171012716871
BaseRepresentation
bin110001001000010011…
…0000010010011001101
3101002022211110122202020
41202100212002103031
53212033301330401
6120245100320353
710423341411414
oct1422046022315
9332284418666
10105505105101
1140820977040
12185455430b9
139c451bcc96
14516c24647b
152b276b6d36
hex18909824cd

105505105101 has 64 divisors (see below), whose sum is σ = 164727447552. Its totient is φ = 59356800000.

The previous prime is 105505105081. The next prime is 105505105129. The reversal of 105505105101 is 101501505501.

It is not a de Polignac number, because 105505105101 - 230 = 104431363277 is a prime.

It is a super-2 number, since 2×1055051051012 (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 (105505105141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15351696 + ... + 15358566.

It is an arithmetic number, because the mean of its divisors is an integer number (2573866368).

Almost surely, 2105505105101 is an apocalyptic number.

105505105101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105505105101 is a deficient number, since it is larger than the sum of its proper divisors (59222342451).

105505105101 is a wasteful number, since it uses less digits than its factorization.

105505105101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7274.

The product of its (nonzero) digits is 625, while the sum is 24.

The spelling of 105505105101 in words is "one hundred five billion, five hundred five million, one hundred five thousand, one hundred one".

Divisors: 1 3 11 17 33 51 101 187 271 303 561 813 1111 1717 2981 3333 4607 5151 6871 8943 13821 18887 20613 27371 50677 56661 75581 82113 116807 152031 226743 301081 350421 465307 693971 903243 1284877 1395921 1862041 2081913 3854631 5118377 5586123 7633681 11797507 15355131 20482451 22901043 31654697 35392521 61447353 94964091 129772577 188066141 348201667 389317731 564198423 1044605001 2068727551 3197124397 6206182653 9591373191 35168368367 105505105101