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445041265465841 = 11297203991858807
BaseRepresentation
bin110010100110000110011111…
…0100010011101100111110001
32011100202112021222120010011012
41211030030332202131213301
5431313024002424401331
64214305045050000305
7162512112302311022
oct14514147642354761
92140675258503135
10445041265465841
11119892a39176500
1241ab7b8b416095
1316143299195285
147bc817db68c49
15366b8281c182b
hex194c33e89d9f1

445041265465841 has 24 divisors (see below), whose sum is σ = 494245150828800. Its totient is φ = 400392165761280.

The previous prime is 445041265465751. The next prime is 445041265465861. The reversal of 445041265465841 is 148564562140544.

It is a de Polignac number, because none of the positive numbers 2k-445041265465841 is a prime.

It is a super-2 number, since 2×4450412654658412 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (445041265465861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238493660 + ... + 240352466.

It is an arithmetic number, because the mean of its divisors is an integer number (20593547951200).

Almost surely, 2445041265465841 is an apocalyptic number.

It is an amenable number.

445041265465841 is a deficient number, since it is larger than the sum of its proper divisors (49203885362959).

445041265465841 is a wasteful number, since it uses less digits than its factorization.

445041265465841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879325 (or 1879314 counting only the distinct ones).

The product of its (nonzero) digits is 73728000, while the sum is 59.

The spelling of 445041265465841 in words is "four hundred forty-five trillion, forty-one billion, two hundred sixty-five million, four hundred sixty-five thousand, eight hundred forty-one".

Divisors: 1 11 97 121 1067 11737 20399 224389 1858807 1978703 2468279 20446877 21765733 180304279 224915647 239423063 1983347069 21816817759 37917803993 417095843923 3678026987321 4588054283153 40458296860531 445041265465841