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30123102301320 = 2335787740890349
BaseRepresentation
bin1101101100101100101001…
…10011111110110010001000
310221122201222210101121100110
412312112110303332302020
512422014103142120240
6144022210120434320
76226215361602660
oct666262463766210
9127581883347313
1030123102301320
119664154a3a066
1234660860189a0
1313a679a278c72
14761d747291a0
153738872cec80
hex1b6594cfec88

30123102301320 has 128 divisors (see below), whose sum is σ = 103396974624000. Its totient is φ = 6877429410816.

The previous prime is 30123102301301. The next prime is 30123102301321. The reversal of 30123102301320 is 2310320132103.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (30123102301321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19708495 + ... + 21181854.

It is an arithmetic number, because the mean of its divisors is an integer number (807788864250).

Almost surely, 230123102301320 is an apocalyptic number.

30123102301320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30123102301320 is an abundant number, since it is smaller than the sum of its proper divisors (73273872322680).

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

30123102301320 is a wasteful number, since it uses less digits than its factorization.

30123102301320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40891247 (or 40891243 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30123102301320 its reverse (2310320132103), we get a palindrome (32433422433423).

The spelling of 30123102301320 in words is "thirty trillion, one hundred twenty-three billion, one hundred two million, three hundred one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 877 1754 2631 3508 4385 5262 6139 7016 8770 10524 12278 13155 17540 18417 21048 24556 26310 30695 35080 36834 49112 52620 61390 73668 92085 105240 122780 147336 184170 245560 368340 736680 40890349 81780698 122671047 163561396 204451745 245342094 286232443 327122792 408903490 490684188 572464886 613355235 817806980 858697329 981368376 1144929772 1226710470 1431162215 1635613960 1717394658 2289859544 2453420940 2862324430 3434789316 4293486645 4906841880 5724648860 6869578632 8586973290 11449297720 17173946580 34347893160 35860836073 71721672146 107582508219 143443344292 179304180365 215165016438 251025852511 286886688584 358608360730 430330032876 502051705022 537912541095 717216721460 753077557533 860660065752 1004103410044 1075825082190 1255129262555 1434433442920 1506155115066 2008206820088 2151650164380 2510258525110 3012310230132 3765387787665 4303300328760 5020517050220 6024620460264 7530775575330 10041034100440 15061551150660 30123102301320