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2105405110 = 252017104383
BaseRepresentation
bin111110101111101…
…1110111010110110
312102201200122212001
41331133132322312
513302440430420
6544530045514
7103113435214
oct17537367266
95381618761
102105405110
119904a0026
124a911989a
13277261153
1415d895cb4
15c4c83b0a
hex7d7deeb6

2105405110 has 16 divisors (see below), whose sum is σ = 3791644416. Its totient is φ = 841736448.

The previous prime is 2105405089. The next prime is 2105405123. The reversal of 2105405110 is 115045012.

It is a super-2 number, since 2×21054051102 = 8865461354428224200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32022 + ... + 72361.

It is an arithmetic number, because the mean of its divisors is an integer number (236977776).

Almost surely, 22105405110 is an apocalyptic number.

2105405110 is a deficient number, since it is larger than the sum of its proper divisors (1686239306).

2105405110 is a wasteful number, since it uses less digits than its factorization.

2105405110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106407.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2105405110 is about 45884.6936352418. The cubic root of 2105405110 is about 1281.6769016942.

The spelling of 2105405110 in words is "two billion, one hundred five million, four hundred five thousand, one hundred ten".

Divisors: 1 2 5 10 2017 4034 10085 20170 104383 208766 521915 1043830 210540511 421081022 1052702555 2105405110