Base | Representation |
---|---|
bin | 10011010111011110001110… |
… | …011000011111101111111001 |
3 | 102011120201211220001202022102 |
4 | 103113132032120133233321 |
5 | 42131010203104430040 |
6 | 501053132252033145 |
7 | 23640516560522000 |
oct | 2327361630375771 |
9 | 364521756052272 |
10 | 85175885233145 |
11 | 25159987757613 |
12 | 96777a77627b5 |
13 | 386b089235325 |
14 | 170676b869c37 |
15 | 9ca9484bd515 |
hex | 4d778e61fbf9 |
85175885233145 has 128 divisors (see below), whose sum is σ = 126522114048000. Its totient is φ = 54834095533056.
The previous prime is 85175885233133. The next prime is 85175885233157. The reversal of 85175885233145 is 54133258857158.
It is an interprime number because it is at equal distance from previous prime (85175885233133) and next prime (85175885233157).
It is not a de Polignac number, because 85175885233145 - 214 = 85175885216761 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 26894815352 + ... + 26894818518.
It is an arithmetic number, because the mean of its divisors is an integer number (988454016000).
Almost surely, 285175885233145 is an apocalyptic number.
85175885233145 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
85175885233145 is a deficient number, since it is larger than the sum of its proper divisors (41346228814855).
85175885233145 is a wasteful number, since it uses less digits than its factorization.
85175885233145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5212 (or 5198 counting only the distinct ones).
The product of its digits is 161280000, while the sum is 65.
The spelling of 85175885233145 in words is "eighty-five trillion, one hundred seventy-five billion, eight hundred eighty-five million, two hundred thirty-three thousand, one hundred forty-five".
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