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444002444123 = 78910326326309
BaseRepresentation
bin1100111011000001001…
…10111010001101011011
31120110001021221010122112
412131200212322031123
524233304111202443
6535545533142535
744035536335060
oct6354046721533
91513037833575
10444002444123
111613338939a7
127207362aa4b
1332b3b989924
14176c015cc67
15b839989b18
hex67609ba35b

444002444123 has 32 divisors (see below), whose sum is σ = 520104499200. Its totient is φ = 371213035776.

The previous prime is 444002444069. The next prime is 444002444147. The reversal of 444002444123 is 321444200444.

It is a cyclic number.

It is not a de Polignac number, because 444002444123 - 232 = 439707476827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444002444123.

It is not an unprimeable number, because it can be changed into a prime (444002434123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16863293 + ... + 16889601.

It is an arithmetic number, because the mean of its divisors is an integer number (16253265600).

Almost surely, 2444002444123 is an apocalyptic number.

444002444123 is a deficient number, since it is larger than the sum of its proper divisors (76102055077).

444002444123 is a wasteful number, since it uses less digits than its factorization.

444002444123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26771.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 444002444123 its reverse (321444200444), we get a palindrome (765446644567).

The spelling of 444002444123 in words is "four hundred forty-four billion, two million, four hundred forty-four thousand, one hundred twenty-three".

Divisors: 1 7 89 103 263 623 721 1841 9167 23407 26309 27089 64169 163849 184163 189623 2341501 2410921 2709827 6919267 16390507 16876447 18968789 48434869 241174603 615814763 712684501 1688222221 4310703341 4988791507 63428920589 444002444123