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105505050505 = 5195936435167
BaseRepresentation
bin110001001000010010…
…1110100111110001001
3101002022211100212212011
41202100211310332021
53212033243104010
6120245055215521
710423341063301
oct1422045647611
9332284325764
10105505050505
114082093a018
12185455175a1
139c451a118a
14516c230601
152b276a5a8a
hex1890974f89

105505050505 has 32 divisors (see below), whose sum is σ = 135591782400. Its totient is φ = 78569652672.

The previous prime is 105505050479. The next prime is 105505050527. The reversal of 105505050505 is 505050505501.

It is a cyclic number.

It is not a de Polignac number, because 105505050505 - 25 = 105505050473 is a prime.

It is a super-2 number, since 2×1055050505052 (a number of 23 digits) contains 22 as substring.

105505050505 is a modest number, since divided by 5050505 gives 1055 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20416432 + ... + 20421598.

It is an arithmetic number, because the mean of its divisors is an integer number (4237243200).

Almost surely, 2105505050505 is an apocalyptic number.

It is an amenable number.

105505050505 is a deficient number, since it is larger than the sum of its proper divisors (30086731895).

105505050505 is a wasteful number, since it uses less digits than its factorization.

105505050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 105505050505 in words is "one hundred five billion, five hundred five million, fifty thousand, five hundred five".

Divisors: 1 5 19 59 95 295 1121 3643 5167 5605 18215 25835 69217 98173 214937 304853 346085 490865 1074685 1524265 4083803 5792207 18823381 20419015 28961035 94116905 357644239 1110579479 1788221195 5552897395 21101010101 105505050505