Search a number
-
+
6843123640078 = 21123591132920233
BaseRepresentation
bin110001110010100100111…
…1101000010011100001110
3220020012022001102012000121
41203211021331002130032
51344104204122440303
622315404304415154
71304253661131325
oct143451175023416
926205261365017
106843123640078
1121a9174993210
129262b03174ba
133a83c4572c5b
141992cd5110bc
15bd0130c99bd
hex63949f4270e

6843123640078 has 64 divisors (see below), whose sum is σ = 11884383244800. Its totient is φ = 2924440104960.

The previous prime is 6843123640043. The next prime is 6843123640099. The reversal of 6843123640078 is 8700463213486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338205850 + ... + 338226082.

It is an arithmetic number, because the mean of its divisors is an integer number (185693488200).

Almost surely, 26843123640078 is an apocalyptic number.

6843123640078 is a deficient number, since it is larger than the sum of its proper divisors (5041259604722).

6843123640078 is a wasteful number, since it uses less digits than its factorization.

6843123640078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31657.

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 6843123640078 in words is "six trillion, eight hundred forty-three billion, one hundred twenty-three million, six hundred forty thousand, seventy-eight".

Divisors: 1 2 11 22 23 46 59 118 253 506 649 1298 1357 2714 11329 14927 20233 22658 29854 40466 124619 222563 249238 260567 445126 465359 521134 668411 930718 1193747 1336822 2387494 2866237 5118949 5732474 7352521 10237898 13131217 14705042 15373453 26262434 27456181 30746906 54912362 169107983 229219657 302017991 338215966 458439314 604035982 2521416227 5042832454 5272052111 10544104222 13523959763 27047919526 57992573221 115985146442 148763557393 297527114786 311051074549 622102149098 3421561820039 6843123640078