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814468103712 = 25328934619181
BaseRepresentation
bin10111101101000100001…
…01001111111000100000
32212212021200102120010200
423312202011033320200
5101321012313304322
61422054514025200
7112562164440264
oct13664205177040
92785250376120
10814468103712
112944610141aa
12111a23878200
135ba5b5534a3
142b5c5a900a4
15162bd58c8ac
hexbda214fe20

814468103712 has 144 divisors (see below), whose sum is σ = 2343099671640. Its totient is φ = 268332134400.

The previous prime is 814468103711. The next prime is 814468103717. The reversal of 814468103712 is 217301864418.

814468103712 is a `hidden beast` number, since 8 + 14 + 468 + 103 + 71 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 518797516176 + 295670587536 = 720276^2 + 543756^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (814468103711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88707762 + ... + 88716942.

Almost surely, 2814468103712 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 814468103712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1171549835820).

814468103712 is an abundant number, since it is smaller than the sum of its proper divisors (1528631567928).

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

814468103712 is a wasteful number, since it uses less digits than its factorization.

814468103712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12747 (or 12736 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 814468103712 in words is "eight hundred fourteen billion, four hundred sixty-eight million, one hundred three thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 89 96 144 178 267 288 356 534 712 801 1068 1424 1602 2136 2848 3204 3461 4272 6408 6922 8544 9181 10383 12816 13844 18362 20766 25632 27543 27688 31149 36724 41532 55086 55376 62298 73448 82629 83064 110172 110752 124596 146896 165258 166128 220344 249192 293792 308029 330516 332256 440688 498384 616058 661032 817109 881376 924087 996768 1232116 1322064 1634218 1848174 2451327 2464232 2644128 2772261 3268436 3696348 4902654 4928464 5544522 6536872 7353981 7392696 9805308 9856928 11089044 13073744 14707962 14785392 19610616 22178088 26147488 29415924 29570784 31775441 39221232 44356176 58831848 63550882 78442464 88712352 95326323 117663696 127101764 190652646 235327392 254203528 285978969 381305292 508407056 571957938 762610584 1016814112 1143915876 1525221168 2287831752 2828014249 3050442336 4575663504 5656028498 8484042747 9151327008 11312056996 16968085494 22624113992 25452128241 33936170988 45248227984 50904256482 67872341976 90496455968 101808512964 135744683952 203617025928 271489367904 407234051856 814468103712