Search a number
-
+
7105321230 = 2357238916529
BaseRepresentation
bin1101001111000001…
…01001100100001110
3200100011220201100120
412213200221210032
5104022430234410
63133015405410
7341035143150
oct64740514416
920304821316
107105321230
113016850007
121463683866
138930907b7
144b5934ad0
152b8bc0570
hex1a782990e

7105321230 has 128 divisors (see below), whose sum is σ = 20565964800. Its totient is φ = 1535913984.

The previous prime is 7105321219. The next prime is 7105321259. The reversal of 7105321230 is 321235017.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7105321230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 421606 + ... + 438134.

It is an arithmetic number, because the mean of its divisors is an integer number (160671600).

Almost surely, 27105321230 is an apocalyptic number.

7105321230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7105321230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10282982400).

7105321230 is an abundant number, since it is smaller than the sum of its proper divisors (13460643570).

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

7105321230 is a wasteful number, since it uses less digits than its factorization.

7105321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16658.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 7105321230 is about 84293.0675085443. The cubic root of 7105321230 is about 1922.4773820210.

Adding to 7105321230 its reverse (321235017), we get a palindrome (7426556247).

The spelling of 7105321230 in words is "seven billion, one hundred five million, three hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 23 30 35 42 46 69 70 89 105 115 138 161 178 210 230 267 322 345 445 483 534 623 690 805 890 966 1246 1335 1610 1869 2047 2415 2670 3115 3738 4094 4830 6141 6230 9345 10235 12282 14329 16529 18690 20470 28658 30705 33058 42987 49587 61410 71645 82645 85974 99174 115703 143290 165290 214935 231406 247935 347109 380167 429870 495870 578515 694218 760334 1140501 1157030 1471081 1735545 1900835 2281002 2661169 2942162 3471090 3801670 4413243 5322338 5702505 7355405 7983507 8826486 10297567 11405010 13305845 14710810 15967014 20595134 22066215 26611690 30892701 33834863 39917535 44132430 51487835 61785402 67669726 79835070 101504589 102975670 154463505 169174315 203009178 236844041 308927010 338348630 473688082 507522945 710532123 1015045890 1184220205 1421064246 2368440410 3552660615 7105321230