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106955105 = 521391021
BaseRepresentation
bin1100110000000…
…00000101100001
321110020212211012
412120000011201
5204340030410
614340230305
72436050315
oct630000541
9243225735
10106955105
1155411a54
122b99b395
131920a45a
14102c1b45
1595ca605
hex6600161

106955105 has 4 divisors (see below), whose sum is σ = 128346132. Its totient is φ = 85564080.

The previous prime is 106955089. The next prime is 106955119. The reversal of 106955105 is 501559601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501559601 = 4112233161.

It can be written as a sum of positive squares in 2 ways, for example, as 31820881 + 75134224 = 5641^2 + 8668^2 .

It is not a de Polignac number, because 106955105 - 24 = 106955089 is a prime.

It is a super-2 number, since 2×1069551052 = 22878788971122050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10695506 + ... + 10695515.

It is an arithmetic number, because the mean of its divisors is an integer number (32086533).

Almost surely, 2106955105 is an apocalyptic number.

It is an amenable number.

106955105 is a deficient number, since it is larger than the sum of its proper divisors (21391027).

106955105 is an equidigital number, since it uses as much as digits as its factorization.

106955105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21391026.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 106955105 is about 10341.9101233766. The cubic root of 106955105 is about 474.6795326854.

The spelling of 106955105 in words is "one hundred six million, nine hundred fifty-five thousand, one hundred five".

Divisors: 1 5 21391021 106955105