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445120205424423 = 39717918794547833
BaseRepresentation
bin110010100110101011001111…
…1101110100000011100100111
32011101001002001110000111200220
41211031112133232200130213
5431320322140042040143
64214405222135135423
7162520605433012614
oct14515263756403447
92141032043014626
10445120205424423
1111991346777a7a1
1241b0b340214573
131614a8697ca139
147bcbd0bc0750b
15366d8e859dd83
hex194d59fba0727

445120205424423 has 32 divisors (see below), whose sum is σ = 603282914035200. Its totient is φ = 291891354679296.

The previous prime is 445120205424383. The next prime is 445120205424431. The reversal of 445120205424423 is 324424502021544.

It is not a de Polignac number, because 445120205424423 - 213 = 445120205416231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445120205424493) 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, 95601315 + ... + 100149147.

It is an arithmetic number, because the mean of its divisors is an integer number (18852591063600).

Almost surely, 2445120205424423 is an apocalyptic number.

445120205424423 is a deficient number, since it is larger than the sum of its proper divisors (158162708610777).

445120205424423 is a wasteful number, since it uses less digits than its factorization.

445120205424423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549991.

The product of its (nonzero) digits is 1228800, while the sum is 42.

Adding to 445120205424423 its reverse (324424502021544), we get a palindrome (769544707445967).

The spelling of 445120205424423 in words is "four hundred forty-five trillion, one hundred twenty billion, two hundred five million, four hundred twenty-four thousand, four hundred twenty-three".

Divisors: 1 3 97 179 291 537 1879 5637 17363 52089 182263 336341 546789 1009023 4547833 13643499 32625077 97875231 441139801 814062107 1323419403 2442186321 8545378207 25636134621 78964024379 236892073137 828901686079 1529622699053 2486705058237 4588868097159 148373401808141 445120205424423