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4431011020444 = 221518194389527
BaseRepresentation
bin100000001111010110011…
…0101100111111010011100
3120200121012202222010121201
41000132230311213322130
51040044202310123234
613231324532005244
7635062404143341
oct100365465477234
916617182863551
104431011020444
1114591aa228688
125b6914760824
13261ac50c71c8
14114667d267c8
157a3da139314
hex407acd67e9c

4431011020444 has 24 divisors (see below), whose sum is σ = 7805804507648. Its totient is φ = 2200781847600.

The previous prime is 4431011020421. The next prime is 4431011020463. The reversal of 4431011020444 is 4440201101344.

It is a congruent number.

It is an unprimeable number.

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, 49448809 + ... + 49538335.

Almost surely, 24431011020444 is an apocalyptic number.

It is an amenable number.

4431011020444 is a deficient number, since it is larger than the sum of its proper divisors (3374793487204).

4431011020444 is a wasteful number, since it uses less digits than its factorization.

4431011020444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171625 (or 171623 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 4431011020444 its reverse (4440201101344), we get a palindrome (8871212121788).

The spelling of 4431011020444 in words is "four trillion, four hundred thirty-one billion, eleven million, twenty thousand, four hundred forty-four".

Divisors: 1 2 4 151 302 604 81943 89527 163886 179054 327772 358108 12373393 13518577 24746786 27037154 49493572 54074308 7336110961 14672221922 29344443844 1107752755111 2215505510222 4431011020444