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7144443959906 = 2111279925372877
BaseRepresentation
bin110011111110111001000…
…0010110101101001100010
3221022000001120202102002002
41213331302002311221202
51414023310123204111
623110040124524002
71335111660444641
oct147756202655142
927260046672062
107144443959906
112304a3a3a6320
129747839b0602
133ca944aa26a6
141a9b15b43358
15c5c9b63e63b
hex67f720b5a62

7144443959906 has 16 divisors (see below), whose sum is σ = 11691822182400. Its totient is φ = 3247220670480.

The previous prime is 7144443959903. The next prime is 7144443959927. The reversal of 7144443959906 is 6099593444417.

It is a super-2 number, since 2×71444439599062 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7144443959903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12404861 + ... + 12968016.

It is an arithmetic number, because the mean of its divisors is an integer number (730738886400).

Almost surely, 27144443959906 is an apocalyptic number.

7144443959906 is a deficient number, since it is larger than the sum of its proper divisors (4547378222494).

7144443959906 is a wasteful number, since it uses less digits than its factorization.

7144443959906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25385689.

The product of its (nonzero) digits is 117573120, while the sum is 65.

The spelling of 7144443959906 in words is "seven trillion, one hundred forty-four billion, four hundred forty-three million, nine hundred fifty-nine thousand, nine hundred six".

Divisors: 1 2 11 22 12799 25598 140789 281578 25372877 50745754 279101647 558203294 324747452723 649494905446 3572221979953 7144443959906