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106699143 = 3142924889
BaseRepresentation
bin1100101110000…
…01100110000111
321102202212201010
412113001212013
5204303333033
614330533303
72433633135
oct627014607
9242685633
10106699143
1155257711
122b897233
131914aab5
1410256755
159579863
hex65c1987

106699143 has 8 divisors (see below), whose sum is σ = 142370800. Its totient is φ = 71080128.

The previous prime is 106699141. The next prime is 106699189. The reversal of 106699143 is 341996601.

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

It is not a de Polignac number, because 106699143 - 21 = 106699141 is a prime.

It is a super-2 number, since 2×1066991432 = 22769414233868898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106699141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8158 + ... + 16731.

It is an arithmetic number, because the mean of its divisors is an integer number (17796350).

Almost surely, 2106699143 is an apocalyptic number.

106699143 is a deficient number, since it is larger than the sum of its proper divisors (35671657).

106699143 is a wasteful number, since it uses less digits than its factorization.

106699143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26321.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 106699143 is about 10329.5277239572. The cubic root of 106699143 is about 474.3005669033.

The spelling of 106699143 in words is "one hundred six million, six hundred ninety-nine thousand, one hundred forty-three".

Divisors: 1 3 1429 4287 24889 74667 35566381 106699143