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444143700069 = 3661223975643
BaseRepresentation
bin1100111011010010000…
…01110000100001100101
31120110102010201200101020
412131221001300201211
524234101241400234
6540011540521353
744042203106016
oct6355101604145
91513363650336
10444143700069
111613a65a3653
12720b29b0259
1332b62016824
14176d4c0d00d
15b84708d549
hex6769070865

444143700069 has 8 divisors (see below), whose sum is σ = 593087505312. Its totient is φ = 295647847440.

The previous prime is 444143700067. The next prime is 444143700071. The reversal of 444143700069 is 960007341444.

It is an interprime number because it is at equal distance from previous prime (444143700067) and next prime (444143700071).

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

It is not a de Polignac number, because 444143700069 - 21 = 444143700067 is a prime.

It is a super-2 number, since 2×4441437000692 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444143700069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444143700067) 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, 111985839 + ... + 111989804.

It is an arithmetic number, because the mean of its divisors is an integer number (74135938164).

Almost surely, 2444143700069 is an apocalyptic number.

It is an amenable number.

444143700069 is a deficient number, since it is larger than the sum of its proper divisors (148943805243).

444143700069 is a wasteful number, since it uses less digits than its factorization.

444143700069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223976307.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 444143700069 in words is "four hundred forty-four billion, one hundred forty-three million, seven hundred thousand, sixty-nine".

Divisors: 1 3 661 1983 223975643 671926929 148047900023 444143700069