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30020110029990 = 23255471573738749
BaseRepresentation
bin1101101001101100110011…
…11111101001010010100110
310221021220011002021010111200
412310312121333221102212
512413322141131424430
6143503014222543330
76215611212001233
oct664663177512246
9127256132233450
1030020110029990
119624503542253
12344a122137b46
131399b6585ca92
1475ada411478a
15370d5a52b460
hex1b4d99fe94a6

30020110029990 has 96 divisors (see below), whose sum is σ = 78201964620000. Its totient is φ = 7990013670912.

The previous prime is 30020110029989. The next prime is 30020110030013. The reversal of 30020110029990 is 9992001102003.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 774713136 + ... + 774751884.

It is an arithmetic number, because the mean of its divisors is an integer number (814603798125).

Almost surely, 230020110029990 is an apocalyptic number.

30020110029990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30020110029990 is an abundant number, since it is smaller than the sum of its proper divisors (48181854590010).

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

30020110029990 is a wasteful number, since it uses less digits than its factorization.

30020110029990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55046 (or 55043 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The spelling of 30020110029990 in words is "thirty trillion, twenty billion, one hundred ten million, twenty-nine thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 547 1094 1641 2735 3282 4923 5470 8205 9846 15737 16410 24615 31474 38749 47211 49230 77498 78685 94422 116247 141633 157370 193745 232494 236055 283266 348741 387490 472110 581235 697482 708165 1162470 1416330 1743705 3487410 8608139 17216278 21195703 25824417 42391406 43040695 51648834 63587109 77473251 86081390 105978515 127174218 129122085 154946502 190761327 211957030 258244170 317935545 381522654 387366255 609793013 635871090 774732510 953806635 1219586026 1829379039 1907613270 3048965065 3658758078 5488137117 6097930130 9146895195 10976274234 18293790390 27440685585 54881371170 333556778111 667113556222 1000670334333 1667783890555 2001340668666 3002011002999 3335567781110 5003351671665 6004022005998 10006703343330 15010055014995 30020110029990