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30003031112312 = 231997109167111791
BaseRepresentation
bin1101101001001101000000…
…00000101111101001111000
310221020021001211021012220002
412310212200000233221320
512413032201431043222
6143451111402252132
76214435036412306
oct664464000575170
9127207054235802
1030003031112312
119618239981655
1234469564b7048
1313983733c7b2b
1475a223b71276
153706aae66392
hex1b49a002fa78

30003031112312 has 128 divisors (see below), whose sum is σ = 60737935104000. Its totient is φ = 13852830781440.

The previous prime is 30003031112279. The next prime is 30003031112347. The reversal of 30003031112312 is 21321113030003.

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, 268329137 + ... + 268440927.

It is an arithmetic number, because the mean of its divisors is an integer number (474515118000).

Almost surely, 230003031112312 is an apocalyptic number.

It is an amenable number.

30003031112312 is an abundant number, since it is smaller than the sum of its proper divisors (30734903991688).

30003031112312 is a wasteful number, since it uses less digits than its factorization.

30003031112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112189 (or 112185 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30003031112312 its reverse (21321113030003), we get a palindrome (51324144142315).

The spelling of 30003031112312 in words is "thirty trillion, three billion, thirty-one million, one hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 8 19 38 76 97 109 152 167 194 218 334 388 436 668 776 872 1336 1843 2071 3173 3686 4142 6346 7372 8284 10573 12692 14744 16199 16568 18203 21146 25384 32398 36406 42292 64796 72812 84584 111791 129592 145624 200887 223582 307781 345857 401774 447164 615562 691714 803548 894328 1231124 1383428 1607096 1765691 2124029 2462248 2766856 3531382 4248058 7062764 8496116 10843727 12185219 14125528 16992232 18669097 21687454 24370438 33548129 37338194 43374908 48740876 67096258 74676388 86749816 97481752 134192516 149352776 206030813 231519161 268385032 354712843 412061626 463038322 709425686 824123252 926076644 1181966243 1418851372 1648246504 1810902409 1852153288 2034931573 2363932486 2837702744 3621804818 4069863146 4727864972 7243609636 8139726292 9455729944 14487219272 16279452584 22457358617 34407145771 38663699887 44914717234 68814291542 77327399774 89829434468 137628583084 154654799548 179658868936 197388362581 275257166168 309309599096 394776725162 789553450324 1579106900648 3750378889039 7500757778078 15001515556156 30003031112312