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30002232101220 = 22325383214349549
BaseRepresentation
bin1101101001001011100000…
…11000110000100101100100
310221020012000010210020201200
412310211300120300211210
512413024032404214340
6143450500220522500
76214406165055021
oct664456030604544
9127205003706650
1030002232101220
119617969956805
1234467729b0430
131398276a000c2
1475a1899c2548
15370660c37330
hex1b4970630964

30002232101220 has 72 divisors (see below), whose sum is σ = 91009166484600. Its totient is φ = 8000384609280.

The previous prime is 30002232101213. The next prime is 30002232101239. The reversal of 30002232101220 is 2210123220003.

30002232101220 is a `hidden beast` number, since 300 + 0 + 2 + 232 + 10 + 122 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 375308165376 + 29626923935844 = 612624^2 + 5443062^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30002232101193 and 30002232101202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4723006 + ... + 9072554.

It is an arithmetic number, because the mean of its divisors is an integer number (1264016201175).

Almost surely, 230002232101220 is an apocalyptic number.

30002232101220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30002232101220 is an abundant number, since it is smaller than the sum of its proper divisors (61006934383380).

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

30002232101220 is a wasteful number, since it uses less digits than its factorization.

30002232101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387885 (or 4387880 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30002232101220 its reverse (2210123220003), we get a palindrome (32212355321223).

The spelling of 30002232101220 in words is "thirty trillion, two billion, two hundred thirty-two million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 38321 76642 114963 153284 191605 229926 344889 383210 459852 574815 689778 766420 1149630 1379556 1724445 2299260 3448890 4349549 6897780 8699098 13048647 17398196 21747745 26097294 39145941 43495490 52194588 65243235 78291882 86990980 130486470 156583764 195729705 260972940 391459410 782918820 166679067229 333358134458 500037201687 666716268916 833395336145 1000074403374 1500111605061 1666790672290 2000148806748 2500186008435 3000223210122 3333581344580 5000372016870 6000446420244 7500558025305 10000744033740 15001116050610 30002232101220