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106881819 = 3113238843
BaseRepresentation
bin1100101111011…
…10001100011011
321110010011021220
412113232030123
5204330204234
614334503123
72435323542
oct627561433
9243104256
10106881819
1155371990
122b964aa3
13191b2ca5
14102a3159
1595b3a49
hex65ee31b

106881819 has 8 divisors (see below), whose sum is σ = 155464512. Its totient is φ = 64776840.

The previous prime is 106881811. The next prime is 106881829. The reversal of 106881819 is 918188601.

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

It is not a de Polignac number, because 106881819 - 23 = 106881811 is a prime.

It is a super-2 number, since 2×1068818192 = 22847446465497522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106881811) 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, 1619389 + ... + 1619454.

It is an arithmetic number, because the mean of its divisors is an integer number (19433064).

Almost surely, 2106881819 is an apocalyptic number.

106881819 is a deficient number, since it is larger than the sum of its proper divisors (48582693).

106881819 is a wasteful number, since it uses less digits than its factorization.

106881819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238857.

The product of its (nonzero) digits is 27648, while the sum is 42.

The square root of 106881819 is about 10338.3663603105. The cubic root of 106881819 is about 474.5710905724.

The spelling of 106881819 in words is "one hundred six million, eight hundred eighty-one thousand, eight hundred nineteen".

Divisors: 1 3 11 33 3238843 9716529 35627273 106881819