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216030138158380 = 225713187363373133
BaseRepresentation
bin110001000111101001101111…
…101001010100110100101100
31001022220021112202122221100011
4301013221233221110310230
5211303414210332032010
62043242513030543004
763334443132422260
oct6107515751246454
91038807482587304
10216030138158380
116291995a107227
1220290108207a64
1393707296532b0
143b4bcb34720a0
1519e968dc84a8a
hexc47a6fa54d2c

216030138158380 has 96 divisors (see below), whose sum is σ = 558652934657664. Its totient is φ = 68333473787904.

The previous prime is 216030138158363. The next prime is 216030138158407. The reversal of 216030138158380 is 83851831030612.

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, 28277707 + ... + 35095426.

It is an arithmetic number, because the mean of its divisors is an integer number (5819301402684).

Almost surely, 2216030138158380 is an apocalyptic number.

216030138158380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216030138158380 is an abundant number, since it is smaller than the sum of its proper divisors (342622796499284).

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

216030138158380 is a wasteful number, since it uses less digits than its factorization.

216030138158380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63375035 (or 63375033 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

Adding to 216030138158380 its reverse (83851831030612), we get a palindrome (299881969188992).

The spelling of 216030138158380 in words is "two hundred sixteen trillion, thirty billion, one hundred thirty-eight million, one hundred fifty-eight thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 1873 3746 7492 9365 13111 18730 24349 26222 37460 48698 52444 65555 97396 121745 131110 170443 243490 262220 340886 486980 681772 852215 1704430 3408860 63373133 126746266 253492532 316865665 443611931 633731330 823850729 887223862 1267462660 1647701458 1774447724 2218059655 3295402916 4119253645 4436119310 5766955103 8238507290 8872238620 11533910206 16477014580 23067820412 28834775515 57669551030 115339102060 118697878109 237395756218 474791512436 593489390545 830885146763 1186978781090 1543072415417 1661770293526 2373957562180 3086144830834 3323540587052 4154425733815 6172289661668 7715362077085 8308851467630 10801506907919 15430724154170 16617702935260 21603013815838 30861448308340 43206027631676 54007534539595 108015069079190 216030138158380