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30021303011100 = 22352773129457969
BaseRepresentation
bin1101101001101111000010…
…00110100000011100011100
310221022000020020001211221020
412310313201012200130130
512413332112032323400
6143503332440404140
76215652606114252
oct664674106403434
9127260206054836
1030021303011100
119624a65994655
12344a3b5776650
131399cc5a6756b
1475b0787385d2
15370dca12c2a0
hex1b4de11a071c

30021303011100 has 72 divisors (see below), whose sum is σ = 86974006901040. Its totient is φ = 7995324103680.

The previous prime is 30021303011099. The next prime is 30021303011107. The reversal of 30021303011100 is 111030312003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30021303011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021303011107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64497085 + ... + 64960884.

It is an arithmetic number, because the mean of its divisors is an integer number (1207972318070).

Almost surely, 230021303011100 is an apocalyptic number.

30021303011100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30021303011100 is an abundant number, since it is smaller than the sum of its proper divisors (56952703889940).

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

30021303011100 is a wasteful number, since it uses less digits than its factorization.

30021303011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129458759 (or 129458752 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30021303011100 its reverse (111030312003), we get a palindrome (30132333323103).

The spelling of 30021303011100 in words is "thirty trillion, twenty-one billion, three hundred three million, eleven thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 773 1546 2319 3092 3865 4638 7730 9276 11595 15460 19325 23190 38650 46380 57975 77300 115950 231900 129457969 258915938 388373907 517831876 647289845 776747814 1294579690 1553495628 1941869535 2589159380 3236449225 3883739070 6472898450 7767478140 9709347675 12945796900 19418695350 38837390700 100071010037 200142020074 300213030111 400284040148 500355050185 600426060222 1000710100370 1200852120444 1501065150555 2001420200740 2501775250925 3002130301110 5003550501850 6004260602220 7505325752775 10007101003700 15010651505550 30021303011100