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106911995849 = 244219437771
BaseRepresentation
bin110001110010001110…
…0111001011111001001
3101012221212210010000222
41203210130321133021
53222423432331344
6121040435035425
710503243653621
oct1434434713711
9335855703028
10106911995849
114138304196a
121887873bb75
13a10a812009
14526302d881
152baae6d5ee
hex18e47397c9

106911995849 has 4 divisors (see below), whose sum is σ = 106912677840. Its totient is φ = 106911313860.

The previous prime is 106911995843. The next prime is 106911995867. The reversal of 106911995849 is 948599119601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 106911995849 - 24 = 106911995833 is a prime.

It is a super-2 number, since 2×1069119958492 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106911995791 and 106911995800.

It is not an unprimeable number, because it can be changed into a prime (106911995843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25334 + ... + 463104.

It is an arithmetic number, because the mean of its divisors is an integer number (26728169460).

Almost surely, 2106911995849 is an apocalyptic number.

It is an amenable number.

106911995849 is a deficient number, since it is larger than the sum of its proper divisors (681991).

106911995849 is an equidigital number, since it uses as much as digits as its factorization.

106911995849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681990.

The product of its (nonzero) digits is 6298560, while the sum is 62.

The spelling of 106911995849 in words is "one hundred six billion, nine hundred eleven million, nine hundred ninety-five thousand, eight hundred forty-nine".

Divisors: 1 244219 437771 106911995849