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8090256612021 = 315793727345821
BaseRepresentation
bin111010110111010100011…
…0111110001101010110101
31001122102100220010100111120
41311232220313301222311
52030022321143041041
625112340152254153
71463334046363623
oct165565067615265
931572326110446
108090256612021
11263a070a43781
12aa7b426a1359
13468ba593256c
141dd7db698513
15e06a5ad0366
hex75ba8df1ab5

8090256612021 has 16 divisors (see below), whose sum is σ = 10794365520960. Its totient is φ = 5389826394240.

The previous prime is 8090256612019. The next prime is 8090256612023. The reversal of 8090256612021 is 1202166520908.

It is an interprime number because it is at equal distance from previous prime (8090256612019) and next prime (8090256612023).

It is not a de Polignac number, because 8090256612021 - 21 = 8090256612019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8090256612023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176539291 + ... + 176585111.

It is an arithmetic number, because the mean of its divisors is an integer number (674647845060).

Almost surely, 28090256612021 is an apocalyptic number.

It is an amenable number.

8090256612021 is a deficient number, since it is larger than the sum of its proper divisors (2704108908939).

8090256612021 is a wasteful number, since it uses less digits than its factorization.

8090256612021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84676.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 8090256612021 in words is "eight trillion, ninety billion, two hundred fifty-six million, six hundred twelve thousand, twenty-one".

Divisors: 1 3 1579 4737 37273 45821 111819 137463 58854067 72351359 176562201 217054077 1707886133 5123658399 2696752204007 8090256612021