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8143814825 = 52674861979
BaseRepresentation
bin1111001010110100…
…01100000010101001
3210000120000122202022
413211122030002221
5113134304033300
63424034114225
7405545166236
oct74532140251
923016018668
108143814825
1134a9a75683
1216b341b975
139ca287953
1457382278d
15329e57285
hex1e568c0a9

8143814825 has 12 divisors (see below), whose sum is σ = 10249053840. Its totient is φ = 6417810960.

The previous prime is 8143814813. The next prime is 8143814831. The reversal of 8143814825 is 5284183418.

It is not a de Polignac number, because 8143814825 - 232 = 3848847529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2429315 + ... + 2432664.

It is an arithmetic number, because the mean of its divisors is an integer number (854087820).

Almost surely, 28143814825 is an apocalyptic number.

It is an amenable number.

8143814825 is a deficient number, since it is larger than the sum of its proper divisors (2105239015).

8143814825 is a wasteful number, since it uses less digits than its factorization.

8143814825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862056 (or 4862051 counting only the distinct ones).

The product of its digits is 245760, while the sum is 44.

The square root of 8143814825 is about 90243.0874083993. The cubic root of 8143814825 is about 2011.9134625480.

The spelling of 8143814825 in words is "eight billion, one hundred forty-three million, eight hundred fourteen thousand, eight hundred twenty-five".

Divisors: 1 5 25 67 335 1675 4861979 24309895 121549475 325752593 1628762965 8143814825