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30212020202012 = 22112311419479027
BaseRepresentation
bin1101101111010010010001…
…01110110110101000011100
310221222020111122002222021122
412313221020232312220130
512424443204132431022
6144131113243550112
76235514011360025
oct667511056665034
9127866448088248
1030212020202012
119698933861a00
12347b36052b338
1313b1c9ab4729c
147663aba27c4c
15375d3d65e742
hex1b7a48bb6a1c

30212020202012 has 72 divisors (see below), whose sum is σ = 58440572910720. Its totient is φ = 13655881597600.

The previous prime is 30212020201969. The next prime is 30212020202069. The reversal of 30212020202012 is 21020202021203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62830043 + ... + 63309069.

It is an arithmetic number, because the mean of its divisors is an integer number (811674623760).

Almost surely, 230212020202012 is an apocalyptic number.

It is an amenable number.

30212020202012 is a deficient number, since it is larger than the sum of its proper divisors (28228552708708).

30212020202012 is a wasteful number, since it uses less digits than its factorization.

30212020202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479783 (or 479770 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 30212020202012 its reverse (21020202021203), we get a palindrome (51232222223215).

The spelling of 30212020202012 in words is "thirty trillion, two hundred twelve billion, twenty million, two hundred two thousand, twelve".

Divisors: 1 2 4 11 22 44 121 242 311 419 484 622 838 1244 1676 3421 4609 6842 9218 13684 18436 37631 50699 75262 101398 130309 150524 202796 260618 479027 521236 958054 1433399 1916108 2866798 5269297 5733596 10538594 15767389 21077188 31534778 57962267 63069556 115924534 148977397 200712313 231849068 297954794 401424626 595909588 802849252 1638751367 2207835443 3277502734 4415670886 6555005468 8831341772 18026265037 24286189873 36052530074 48572379746 62421529343 72105060148 97144759492 124843058686 249686117372 686636822773 1373273645546 2746547291092 7553005050503 15106010101006 30212020202012