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80345825445 = 35192921374549
BaseRepresentation
bin100101011010011111…
…1000000000010100101
321200101102211211022210
41022310333000002211
52304022012403240
6100524345514033
75543021151024
oct1126477000245
9250342754283
1080345825445
113109013a936
12136a37a2919
137765988b62
143c62a7a8bb
152153a30780
hex12b4fc00a5

80345825445 has 64 divisors (see below), whose sum is σ = 140081760000. Its totient is φ = 39168976896.

The previous prime is 80345825431. The next prime is 80345825453. The reversal of 80345825445 is 54452854308.

It is not a de Polignac number, because 80345825445 - 218 = 80345563301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80345825394 and 80345825403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17660031 + ... + 17664579.

It is an arithmetic number, because the mean of its divisors is an integer number (2188777500).

Almost surely, 280345825445 is an apocalyptic number.

It is an amenable number.

80345825445 is a deficient number, since it is larger than the sum of its proper divisors (59735934555).

80345825445 is a wasteful number, since it uses less digits than its factorization.

80345825445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742.

The product of its (nonzero) digits is 3072000, while the sum is 48.

The spelling of 80345825445 in words is "eighty billion, three hundred forty-five million, eight hundred twenty-five thousand, four hundred forty-five".

Divisors: 1 3 5 15 19 29 57 87 95 145 285 435 551 1653 2137 2755 4549 6411 8265 10685 13647 22745 32055 40603 61973 68235 86431 121809 131921 185919 203015 259293 309865 395763 432155 609045 659605 929595 1177487 1296465 1978815 2506499 3532461 5887435 7519497 9721213 12532495 17662305 29163639 37597485 48606065 145818195 184703047 281915177 554109141 845745531 923515235 1409575885 2770545705 4228727655 5356388363 16069165089 26781941815 80345825445