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106172602729 = 577184007977
BaseRepresentation
bin110001011100001100…
…0010101100101101001
3101011001100111001100121
41202320120111211221
53214420141241404
6120435223203241
710446025142554
oct1427030254551
9334040431317
10106172602729
1141033736976
12186b0ba6521
13a02058c3ab
1451d2b5d69b
152b660b8e54
hex18b8615969

106172602729 has 4 divisors (see below), whose sum is σ = 106356611284. Its totient is φ = 105988594176.

The previous prime is 106172602727. The next prime is 106172602747. The reversal of 106172602729 is 927206271601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 927206271601 = 1013915307277.

It can be written as a sum of positive squares in 2 ways, for example, as 96922010329 + 9250592400 = 311323^2 + 96180^2 .

It is a cyclic number.

It is not a de Polignac number, because 106172602729 - 21 = 106172602727 is a prime.

It is a super-2 number, since 2×1061726027292 (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 (106172602721) 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 3 ways as a sum of consecutive naturals, for example, 92003412 + ... + 92004565.

It is an arithmetic number, because the mean of its divisors is an integer number (26589152821).

Almost surely, 2106172602729 is an apocalyptic number.

It is an amenable number.

106172602729 is a deficient number, since it is larger than the sum of its proper divisors (184008555).

106172602729 is an equidigital number, since it uses as much as digits as its factorization.

106172602729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184008554.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 106172602729 in words is "one hundred six billion, one hundred seventy-two million, six hundred two thousand, seven hundred twenty-nine".

Divisors: 1 577 184007977 106172602729