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106918608671 = 785363178931
BaseRepresentation
bin110001110010011011…
…0000111111100011111
3101012222100020002010022
41203210312013330133
53222432130434141
6121041232502355
710503354115160
oct1434466077437
9335870202108
10106918608671
1141386849206
121887a9aa9bb
13a10bcb8c24
145263c71767
152bab827b4b
hex18e4d87f1f

106918608671 has 8 divisors (see below), whose sum is σ = 122194809984. Its totient is φ = 91642935960.

The previous prime is 106918608557. The next prime is 106918608673. The reversal of 106918608671 is 176806819601.

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

It is a cyclic number.

It is not a de Polignac number, because 106918608671 - 234 = 89738739487 is a prime.

It is a super-2 number, since 2×1069186086712 (a number of 23 digits) 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 (106918608673) 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, 508076 + ... + 687006.

It is an arithmetic number, because the mean of its divisors is an integer number (15274351248).

Almost surely, 2106918608671 is an apocalyptic number.

106918608671 is a deficient number, since it is larger than the sum of its proper divisors (15276201313).

106918608671 is an equidigital number, since it uses as much as digits as its factorization.

106918608671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264301.

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 106918608671 in words is "one hundred six billion, nine hundred eighteen million, six hundred eight thousand, six hundred seventy-one".

Divisors: 1 7 85363 178931 597541 1252517 15274086953 106918608671