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444404101761005 = 5975411693710013
BaseRepresentation
bin110010100001011101110010…
…0100111110100011111101101
32011021111121122221122020200112
41211002323210213310133231
5431222104100022323010
64213100232000305405
7162415064632215221
oct14502734447643755
92137447587566615
10444404101761005
111196677a2942461
1241a145aa612265
13160c8185c7cb99
147ba53b7ca8781
153659e85875a05
hex1942ee49f47ed

444404101761005 has 16 divisors (see below), whose sum is σ = 539778606621744. Its totient is φ = 351207708088320.

The previous prime is 444404101760953. The next prime is 444404101761007. The reversal of 444404101761005 is 500167101404444.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 645356762281 + 443758744998724 = 803341^2 + 21065582^2 .

It is not a de Polignac number, because 444404101761005 - 216 = 444404101695469 is a prime.

It is a super-2 number, since 2×4444041017610052 (a number of 30 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 (444404101761007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846592622 + ... + 847117391.

It is an arithmetic number, because the mean of its divisors is an integer number (33736162913859).

Almost surely, 2444404101761005 is an apocalyptic number.

It is an amenable number.

444404101761005 is a deficient number, since it is larger than the sum of its proper divisors (95374504860739).

444404101761005 is a wasteful number, since it uses less digits than its factorization.

444404101761005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693710656.

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 444404101761005 in words is "four hundred forty-four trillion, four hundred four billion, one hundred one million, seven hundred sixty-one thousand, five".

Divisors: 1 5 97 485 541 2705 52477 262385 1693710013 8468550065 164289871261 821449356305 916297117033 4581485585165 88880820352201 444404101761005