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44444455555557 = 365881224872399
BaseRepresentation
bin10100001101100000001111…
…11111000101000111100101
312211100211220112011021221010
422012300013333011013211
521311134221110234212
6234305300115212433
712235002016663431
oct1206600777050745
9184324815137833
1044444455555557
11131858735509a2
124b997722a7119
131ba512bb98a95
1552118031703c
hex286c07fc51e5

44444455555557 has 8 divisors (see below), whose sum is σ = 59260173827200. Its totient is φ = 29629187160480.

The previous prime is 44444455555541. The next prime is 44444455555567. The reversal of 44444455555557 is 75555555444444.

It is a happy number.

44444455555557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 44444455555557 - 24 = 44444455555541 is a prime.

It is the 6666668-th Hogben number.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44444455555567) by changing a digit.

It is a nontrivial repunit in base 6666667.

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, 112238557 + ... + 112633842.

It is an arithmetic number, because the mean of its divisors is an integer number (7407521728400).

Almost surely, 244444455555557 is an apocalyptic number.

It is an amenable number.

44444455555557 is a deficient number, since it is larger than the sum of its proper divisors (14815718271643).

44444455555557 is a wasteful number, since it uses less digits than its factorization.

44444455555557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224938283.

The product of its digits is 2240000000, while the sum is 66.

The spelling of 44444455555557 in words is "forty-four trillion, four hundred forty-four billion, four hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-seven".