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2128042000512 = 27322357783733
BaseRepresentation
bin11110111101111001001…
…100000000000010000000
321112102211220110102020100
4132331321030000002000
5234331212223004022
64305335313242400
7306513602360061
oct36757114000200
97472756412210
102128042000512
1175055225aa1a
122a4518b63400
1312589a8a8b0c
1474dd7cb4568
153a54dec81ac
hex1ef79300080

2128042000512 has 96 divisors (see below), whose sum is σ = 6126268419180. Its totient is φ = 709045475328.

The previous prime is 2128042000481. The next prime is 2128042000549. The reversal of 2128042000512 is 2150002408212.

2128042000512 is a `hidden beast` number, since 2 + 128 + 0 + 4 + 20 + 0 + 0 + 512 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2125694016576 + 2347983936 = 1457976^2 + 48456^2 .

It is a tau number, because it is divible by the number of its divisors (96).

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, 2323398 + ... + 3107130.

Almost surely, 22128042000512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2128042000512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3063134209590).

2128042000512 is an abundant number, since it is smaller than the sum of its proper divisors (3998226418668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2128042000512 is a wasteful number, since it uses less digits than its factorization.

2128042000512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786110 (or 786095 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 2128042000512 its reverse (2150002408212), we get a palindrome (4278044408724).

The spelling of 2128042000512 in words is "two trillion, one hundred twenty-eight billion, forty-two million, five hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 2357 4714 7071 9428 14142 18856 21213 28284 37712 42426 56568 75424 84852 113136 150848 169704 226272 301696 339408 452544 678816 783733 905088 1357632 1567466 2351199 2715264 3134932 4702398 6269864 7053597 9404796 12539728 14107194 18809592 25079456 28214388 37619184 50158912 56428776 75238368 100317824 112857552 150476736 225715104 300953472 451430208 902860416 1847258681 3694517362 5541776043 7389034724 11083552086 14778069448 16625328129 22167104172 29556138896 33250656258 44334208344 59112277792 66501312516 88668416688 118224555584 133002625032 177336833376 236449111168 266005250064 354673666752 532010500128 709347333504 1064021000256 2128042000512