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8155257030064 = 244021126760399
BaseRepresentation
bin111011010101100101100…
…1100101100010110110000
31001212122010212212201021001
41312223023030230112300
52032103431244430224
625202250125011344
71501124604666604
oct166531314542660
931778125781231
108155257030064
112664696a93931
12ab86630b3b54
134720643366a1
14202a062bb504
15e220c31d544
hex76acb32c5b0

8155257030064 has 20 divisors (see below), whose sum is σ = 15804740192800. Its totient is φ = 4076614399680.

The previous prime is 8155257030059. The next prime is 8155257030101. The reversal of 8155257030064 is 4600307525518.

It is a junction number, because it is equal to n+sod(n) for n = 8155257029996 and 8155257030023.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63315864 + ... + 63444535.

It is an arithmetic number, because the mean of its divisors is an integer number (790237009640).

Almost surely, 28155257030064 is an apocalyptic number.

It is an amenable number.

8155257030064 is a deficient number, since it is larger than the sum of its proper divisors (7649483162736).

8155257030064 is a wasteful number, since it uses less digits than its factorization.

8155257030064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126764428 (or 126764422 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 8155257030064 in words is "eight trillion, one hundred fifty-five billion, two hundred fifty-seven million, thirty thousand, sixty-four".

Divisors: 1 2 4 8 16 4021 8042 16084 32168 64336 126760399 253520798 507041596 1014083192 2028166384 509703564379 1019407128758 2038814257516 4077628515032 8155257030064