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445448878212071 = 3833041273824231
BaseRepresentation
bin110010101001000100010011…
…0001001101100001111100111
32011102012111102012212001202002
41211102020212021230033213
5431341213300310241241
64215220220053435515
7162553422313425326
oct14522104611541747
92142174365761662
10445448878212071
11119a2a898a16808
1241b62b8803bb9b
1316172858a48986
147bddbaadcc0bd
1536772330bd89b
hex195222626c3e7

445448878212071 has 8 divisors (see below), whose sum is σ = 446613515403264. Its totient is φ = 444284249278360.

The previous prime is 445448878212049. The next prime is 445448878212131. The reversal of 445448878212071 is 170212878844544.

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

It is a cyclic number.

It is not a de Polignac number, because 445448878212071 - 26 = 445448878212007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445448878211989 and 445448878212007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445448878212671) by changing a digit.

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, 114568526 + ... + 118392756.

It is an arithmetic number, because the mean of its divisors is an integer number (55826689425408).

Almost surely, 2445448878212071 is an apocalyptic number.

445448878212071 is a deficient number, since it is larger than the sum of its proper divisors (1164637191193).

445448878212071 is a wasteful number, since it uses less digits than its factorization.

445448878212071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128741.

The product of its (nonzero) digits is 128450560, while the sum is 65.

The spelling of 445448878212071 in words is "four hundred forty-five trillion, four hundred forty-eight billion, eight hundred seventy-eight million, two hundred twelve thousand, seventy-one".

Divisors: 1 383 304127 3824231 116480641 1464680473 1163051901337 445448878212071