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106122643 = 1119075059
BaseRepresentation
bin1100101001101…
…00110110010011
321101200120220021
412110310312103
5204131411033
614310324311
72426012314
oct624646623
9241616807
10106122643
11549a3570
122b659697
1318ca8583
141014660b
1594b3b2d
hex6534d93

106122643 has 8 divisors (see below), whose sum is σ = 115853760. Its totient is φ = 96405480.

The previous prime is 106122607. The next prime is 106122647. The reversal of 106122643 is 346221601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106122643 is a prime.

It is a super-2 number, since 2×1061226432 = 22524030714610898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106122647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18448 + ... + 23506.

It is an arithmetic number, because the mean of its divisors is an integer number (14481720).

Almost surely, 2106122643 is an apocalyptic number.

106122643 is a deficient number, since it is larger than the sum of its proper divisors (9731117).

106122643 is a wasteful number, since it uses less digits than its factorization.

106122643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6977.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 106122643 is about 10301.5844897763. The cubic root of 106122643 is about 473.4448017688. Note that the first 3 decimals are identical.

The spelling of 106122643 in words is "one hundred six million, one hundred twenty-two thousand, six hundred forty-three".

Divisors: 1 11 1907 5059 20977 55649 9647513 106122643