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8071450945145 = 574334915367021
BaseRepresentation
bin111010101110100011111…
…1101110110011001111001
31001120121211021221111021222
41311131013331312121321
52024220312420221040
625055550125441425
71462100036013530
oct165350775663171
931517737844258
108071450945145
1126320a06aa925
12aa4374710275
13467199816923
141dc935c69317
15dee54b30bb5
hex75747f76679

8071450945145 has 32 divisors (see below), whose sum is σ = 11359302662400. Its totient is φ = 5390504743680.

The previous prime is 8071450945099. The next prime is 8071450945177. The reversal of 8071450945145 is 5415490541708.

It is a happy number.

It is not a de Polignac number, because 8071450945145 - 26 = 8071450945081 is a prime.

It is a super-2 number, since 2×80714509451452 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7158266 + ... + 8208755.

It is an arithmetic number, because the mean of its divisors is an integer number (354978208200).

Almost surely, 28071450945145 is an apocalyptic number.

It is an amenable number.

8071450945145 is a deficient number, since it is larger than the sum of its proper divisors (3287851717255).

8071450945145 is a wasteful number, since it uses less digits than its factorization.

8071450945145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15367425.

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 8071450945145 in words is "eight trillion, seventy-one billion, four hundred fifty million, nine hundred forty-five thousand, one hundred forty-five".

Divisors: 1 5 7 35 43 215 301 349 1505 1745 2443 12215 15007 75035 105049 525245 15367021 76835105 107569147 537845735 660781903 3303909515 4625473321 5363090329 23127366605 26815451645 37541632303 187708161515 230612884147 1153064420735 1614290189029 8071450945145