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30000003312020 = 2257539741681723
BaseRepresentation
bin1101101001000111010111…
…00010100110100110010100
310221012222020210221000201112
412310203223202212212110
512413010001321441040
6143445451122114152
76214300022502230
oct664435342464624
9127188223830645
1030000003312020
119616a25853465
1234462504ab958
131397cb002b921
1475a0179ad5c0
15370580230365
hex1b48eb8a6994

30000003312020 has 96 divisors (see below), whose sum is σ = 74114773625088. Its totient is φ = 9987607498752.

The previous prime is 30000003312017. The next prime is 30000003312031. The reversal of 30000003312020 is 2021330000003.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 30000003311986 and 30000003312004.

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, 20121122 + ... + 21560601.

It is an arithmetic number, because the mean of its divisors is an integer number (772028891928).

Almost surely, 230000003312020 is an apocalyptic number.

It is an amenable number.

30000003312020 is an abundant number, since it is smaller than the sum of its proper divisors (44114770313068).

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

30000003312020 is a wasteful number, since it uses less digits than its factorization.

30000003312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41681889 (or 41681887 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 30000003312020 its reverse (2021330000003), we get a palindrome (32021333312023).

The spelling of 30000003312020 in words is "thirty trillion, three million, three hundred twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 53 70 97 106 140 194 212 265 371 388 485 530 679 742 970 1060 1358 1484 1855 1940 2716 3395 3710 5141 6790 7420 10282 13580 20564 25705 35987 51410 71974 102820 143948 179935 359870 719740 41681723 83363446 166726892 208408615 291772061 416817230 583544122 833634460 1167088244 1458860305 2209131319 2917720610 4043127131 4418262638 5835441220 8086254262 8836525276 11045656595 15463919233 16172508524 20215635655 22091313190 28301889917 30927838466 40431271310 44182626380 56603779834 61855676932 77319596165 80862542620 113207559668 141509449585 154639192330 214285737943 283018899170 309278384660 428571475886 566037798340 857142951772 1071428689715 1500000165601 2142857379430 3000000331202 4285714758860 6000000662404 7500000828005 15000001656010 30000003312020