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106654546421 = 448323790887
BaseRepresentation
bin110001101010100011…
…0110011100111110101
3101012021221100022210222
41203111012303213311
53221412030441141
6120555121024125
710463666454323
oct1432506634765
9335257308728
10106654546421
1141260790345
1218806485045
13a099391987
14523ab74d13
152b9356714b
hex18d51b39f5

106654546421 has 4 divisors (see below), whose sum is σ = 106678341792. Its totient is φ = 106630751052.

The previous prime is 106654546403. The next prime is 106654546423. The reversal of 106654546421 is 124645456601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124645456601 = 612043368141.

It is a cyclic number.

It is not a de Polignac number, because 106654546421 - 226 = 106587437557 is a prime.

It is a super-2 number, since 2×1066545464212 (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 (106654546423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11890961 + ... + 11899926.

It is an arithmetic number, because the mean of its divisors is an integer number (26669585448).

Almost surely, 2106654546421 is an apocalyptic number.

It is an amenable number.

106654546421 is a deficient number, since it is larger than the sum of its proper divisors (23795371).

106654546421 is an equidigital number, since it uses as much as digits as its factorization.

106654546421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23795370.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 106654546421 in words is "one hundred six billion, six hundred fifty-four million, five hundred forty-six thousand, four hundred twenty-one".

Divisors: 1 4483 23790887 106654546421