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30012320010 = 23519598211087
BaseRepresentation
bin11011111100110111…
…111010100100001010
32212110121110211020210
4123330313322210022
5442431123220020
621442032101550
72111506340151
oct337467724412
985417424223
1030012320010
1111801199262
1259970948b6
132aa3ab994a
141649d34598
15ba9c5e3e0
hex6fcdfa90a

30012320010 has 128 divisors (see below), whose sum is σ = 77270630400. Its totient is φ = 7437623040.

The previous prime is 30012319957. The next prime is 30012320027. The reversal of 30012320010 is 1002321003.

It is a happy 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, 27609687 + ... + 27610773.

It is an arithmetic number, because the mean of its divisors is an integer number (603676800).

Almost surely, 230012320010 is an apocalyptic number.

30012320010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30012320010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38635315200).

30012320010 is an abundant number, since it is smaller than the sum of its proper divisors (47258310390).

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

30012320010 is a wasteful number, since it uses less digits than its factorization.

30012320010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30012320010 its reverse (1002321003), we get a palindrome (31014641013).

The spelling of 30012320010 in words is "thirty billion, twelve million, three hundred twenty thousand, ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 59 95 114 118 177 190 285 295 354 570 590 821 885 1087 1121 1642 1770 2174 2242 2463 3261 3363 4105 4926 5435 5605 6522 6726 8210 10870 11210 12315 15599 16305 16815 20653 24630 31198 32610 33630 41306 46797 48439 61959 64133 77995 93594 96878 103265 123918 128266 145317 155990 192399 206530 233985 242195 290634 309795 320665 384798 467970 484390 619590 641330 726585 892427 920341 961995 1218527 1453170 1784854 1840682 1923990 2437054 2677281 2761023 3655581 4462135 4601705 5354562 5522046 6092635 7311162 8924270 9203410 12185270 13386405 13805115 16956113 18277905 26772810 27610230 33912226 36555810 50868339 52653193 84780565 101736678 105306386 157959579 169561130 254341695 263265965 315919158 508683390 526531930 789797895 1000410667 1579595790 2000821334 3001232001 5002053335 6002464002 10004106670 15006160005 30012320010