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105655607171 = 297967912
BaseRepresentation
bin110001001100110010…
…0001001111110000011
3101002201022122221202222
41202121210021332003
53212340313412141
6120312034201255
710430146562102
oct1423144117603
9332638587688
10105655607171
1140898921514
1218587a2322b
139c6a43656a
145184222039
152b359e514b
hex1899909f83

105655607171 has 12 divisors (see below), whose sum is σ = 110698735200. Its totient is φ = 100706183760.

The previous prime is 105655607143. The next prime is 105655607191. The reversal of 105655607171 is 171706556501.

It is not a de Polignac number, because 105655607171 - 230 = 104581865347 is a prime.

It is a super-2 number, since 2×1056556071712 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105655607191) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15554786 + ... + 15561576.

It is an arithmetic number, because the mean of its divisors is an integer number (9224894600).

Almost surely, 2105655607171 is an apocalyptic number.

105655607171 is a deficient number, since it is larger than the sum of its proper divisors (5043128029).

105655607171 is an frugal number, since it uses more digits than its factorization.

105655607171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13690 (or 6899 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 44.

The spelling of 105655607171 in words is "one hundred five billion, six hundred fifty-five million, six hundred seven thousand, one hundred seventy-one".

Divisors: 1 29 79 2291 6791 196939 536489 15558181 46117681 1337412749 3643296799 105655607171