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30215107668844 = 22719234752539607
BaseRepresentation
bin1101101111011000000001…
…10000100110101101101100
310221222112110210201112120001
412313230000300212231230
512430021020030400334
6144132343455034044
76235653351405040
oct667540060465554
9127875423645501
1030215107668844
11969a17863348a
12347ba8250b924
1313b23706a4737
147665c1abc020
15375e6e72e714
hex1b7b00c26b6c

30215107668844 has 96 divisors (see below), whose sum is σ = 67788703825920. Its totient is φ = 11484737554752.

The previous prime is 30215107668839. The next prime is 30215107668859. The reversal of 30215107668844 is 44886670151203.

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, 25694712 + ... + 26844895.

It is an arithmetic number, because the mean of its divisors is an integer number (706132331520).

Almost surely, 230215107668844 is an apocalyptic number.

It is an amenable number.

30215107668844 is an abundant number, since it is smaller than the sum of its proper divisors (37573596157076).

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

30215107668844 is a wasteful number, since it uses less digits than its factorization.

30215107668844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52539707 (or 52539705 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 30215107668844 in words is "thirty trillion, two hundred fifteen billion, one hundred seven million, six hundred sixty-eight thousand, eight hundred forty-four".

Divisors: 1 2 4 7 14 19 23 28 38 46 47 76 92 94 133 161 188 266 322 329 437 532 644 658 874 893 1081 1316 1748 1786 2162 3059 3572 4324 6118 6251 7567 12236 12502 15134 20539 25004 30268 41078 82156 143773 287546 575092 52539607 105079214 210158428 367777249 735554498 998252533 1208410961 1471108996 1996505066 2416821922 2469361529 3993010132 4833643844 4938723058 6987767731 8458876727 9877446116 13975535462 16917753454 17285530703 22959808259 27951070924 33835506908 34571061406 45919616518 46917869051 56795315167 69142122812 91839233036 93835738102 113590630334 160718657813 187671476204 227181260668 321437315626 328425083357 397567206169 642874631252 656850166714 795134412338 1079110988173 1313700333428 1590268824676 2158221976346 4316443952692 7553776917211 15107553834422 30215107668844