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106404064145 = 542150548249
BaseRepresentation
bin110001100011000101…
…1010010101110010001
3101011122111000111201122
41203012023102232101
53220403420023040
6120514212212025
710454535423311
oct1430613225621
9334574014648
10106404064145
11411423582a5
121875660a015
13a059510902
1452157b1441
152b7b58a1b5
hex18c62d2b91

106404064145 has 8 divisors (see below), whose sum is σ = 127988169000. Its totient is φ = 84921056640.

The previous prime is 106404064139. The next prime is 106404064147. The reversal of 106404064145 is 541460404601.

It can be written as a sum of positive squares in 4 ways, for example, as 5323307521 + 101080756624 = 72961^2 + 317932^2 .

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

It is not a de Polignac number, because 106404064145 - 216 = 106403998609 is a prime.

It is a super-2 number, since 2×1064040641452 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106404064147) 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, 25272020 + ... + 25276229.

It is an arithmetic number, because the mean of its divisors is an integer number (15998521125).

Almost surely, 2106404064145 is an apocalyptic number.

It is an amenable number.

106404064145 is a deficient number, since it is larger than the sum of its proper divisors (21584104855).

106404064145 is an equidigital number, since it uses as much as digits as its factorization.

106404064145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50548675.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 106404064145 its reverse (541460404601), we get a palindrome (647864468746).

The spelling of 106404064145 in words is "one hundred six billion, four hundred four million, sixty-four thousand, one hundred forty-five".

Divisors: 1 5 421 2105 50548249 252741245 21280812829 106404064145