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106647447561 = 3325910907993
BaseRepresentation
bin110001101010010101…
…1101110100000001001
3101012021102222200000020
41203110223232200021
53221403221310221
6120554304531053
710463552230044
oct1432453564011
9335242880006
10106647447561
1141257781916
1218804020a89
13a097a77775
145239c47c5b
152b92b13ac6
hex18d4aee809

106647447561 has 8 divisors (see below), whose sum is σ = 142240241760. Its totient is φ = 71076475872.

The previous prime is 106647447553. The next prime is 106647447587. The reversal of 106647447561 is 165744746601.

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

It is not a de Polignac number, because 106647447561 - 23 = 106647447553 is a prime.

It is a super-2 number, since 2×1066474475612 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106647447461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5444220 + ... + 5463773.

It is an arithmetic number, because the mean of its divisors is an integer number (17780030220).

Almost surely, 2106647447561 is an apocalyptic number.

It is an amenable number.

106647447561 is a deficient number, since it is larger than the sum of its proper divisors (35592794199).

106647447561 is a wasteful number, since it uses less digits than its factorization.

106647447561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911255.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 106647447561 in words is "one hundred six billion, six hundred forty-seven million, four hundred forty-seven thousand, five hundred sixty-one".

Divisors: 1 3 3259 9777 10907993 32723979 35549149187 106647447561