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30012133323020 = 22537157593435623
BaseRepresentation
bin1101101001011101111101…
…00010111011000100001100
310221021010120011200102122012
412310232332202323010030
512413204322112314040
6143455214514240352
76215206433053622
oct664567642730414
9127233504612565
1030012133323020
11962108a934242
1234486768860b8
1313991940b3c24
1475a848991512
15370a400d2865
hex1b4bbe8bb10c

30012133323020 has 96 divisors (see below), whose sum is σ = 65251157102208. Its totient is φ = 11586402127872.

The previous prime is 30012133323019. The next prime is 30012133323043. The reversal of 30012133323020 is 2032333121003.

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, 68676929 + ... + 69112551.

It is an arithmetic number, because the mean of its divisors is an integer number (679699553148).

Almost surely, 230012133323020 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 30012133323020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32625578551104).

30012133323020 is an abundant number, since it is smaller than the sum of its proper divisors (35239023779188).

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

30012133323020 is a wasteful number, since it uses less digits than its factorization.

30012133323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436419 (or 436417 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30012133323020 its reverse (2032333121003), we get a palindrome (32044466444023).

The spelling of 30012133323020 in words is "thirty trillion, twelve billion, one hundred thirty-three million, three hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 37 74 148 157 185 314 370 593 628 740 785 1186 1570 2372 2965 3140 5809 5930 11618 11860 21941 23236 29045 43882 58090 87764 93101 109705 116180 186202 219410 372404 435623 438820 465505 871246 931010 1742492 1862020 2178115 3444737 4356230 6889474 8712460 13778948 16118051 17223685 32236102 34447370 64472204 68392811 68894740 80590255 136785622 161180510 258324439 273571244 322361020 341964055 516648878 683928110 1033297756 1291622195 1367856220 2530534007 2583244390 5061068014 5166488780 9558004243 10122136028 12652670035 19116008486 25305340070 38232016972 40556936923 47790021215 50610680140 81113873846 95580042430 162227747692 191160084860 202784684615 405569369230 811138738460 1500606666151 3001213332302 6002426664604 7503033330755 15006066661510 30012133323020