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30203210112020 = 225111511439631819
BaseRepresentation
bin1101101111000001110111…
…00111000001110000010100
310221221101202122101000211022
412313200323213001300110
512424322133242041040
6144123055125100312
76235052463010331
oct667407347016024
9127841678330738
1030203210112020
1196951227919a0
123479701b57698
1313b11c582a79a
14765bb3929988
153759c4e976b5
hex1b783b9c1c14

30203210112020 has 96 divisors (see below), whose sum is σ = 69699551846400. Its totient is φ = 10902651408000.

The previous prime is 30203210112017. The next prime is 30203210112043. The reversal of 30203210112020 is 2021101230203.

It is a self number, because there is not a number n which added to its sum of digits gives 30203210112020.

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, 47487671 + ... + 48119489.

It is an arithmetic number, because the mean of its divisors is an integer number (726036998400).

Almost surely, 230203210112020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30203210112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34849775923200).

30203210112020 is an abundant number, since it is smaller than the sum of its proper divisors (39496341734380).

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

30203210112020 is a wasteful number, since it uses less digits than its factorization.

30203210112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633429 (or 633427 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30203210112020 its reverse (2021101230203), we get a palindrome (32224311342223).

The spelling of 30203210112020 in words is "thirty trillion, two hundred three billion, two hundred ten million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 151 220 302 604 755 1439 1510 1661 2878 3020 3322 5756 6644 7195 8305 14390 15829 16610 28780 31658 33220 63316 79145 158290 217289 316580 434578 631819 869156 1086445 1263638 2172890 2390179 2527276 3159095 4345780 4780358 6318190 6950009 9560716 11950895 12636380 13900018 23901790 27800036 34750045 47803580 69500090 95404669 139000180 190809338 381618676 477023345 909187541 954046690 1049451359 1818375082 1908093380 2098902718 3636750164 4197805436 4545937705 5247256795 9091875410 10001062951 10494513590 18183750820 20002125902 20989027180 40004251804 50005314755 100010629510 137287318691 200021259020 274574637382 549149274764 686436593455 1372873186910 1510160505601 2745746373820 3020321011202 6040642022404 7550802528005 15101605056010 30203210112020