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30212400422 = 2193121515479
BaseRepresentation
bin11100001000110011…
…001010010100100110
32212222112221221222102
4130020303022110212
5443333333303142
621513540332102
72116456111031
oct341063122446
985875857872
1030212400422
11118a4126676
125a320a4032
132b063a1719
141668738018
15bbc5d2532
hex708cca526

30212400422 has 48 divisors (see below), whose sum is σ = 49627756800. Its totient is φ = 13755258000.

The previous prime is 30212400373. The next prime is 30212400473. The reversal of 30212400422 is 22400421203.

It is a junction number, because it is equal to n+sod(n) for n = 30212400394 and 30212400403.

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, 5511479 + ... + 5516957.

It is an arithmetic number, because the mean of its divisors is an integer number (1033911600).

Almost surely, 230212400422 is an apocalyptic number.

30212400422 is a deficient number, since it is larger than the sum of its proper divisors (19415356378).

30212400422 is a wasteful number, since it uses less digits than its factorization.

30212400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713 (or 5682 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 30212400422 its reverse (22400421203), we get a palindrome (52612821625).

The spelling of 30212400422 in words is "thirty billion, two hundred twelve million, four hundred thousand, four hundred twenty-two".

Divisors: 1 2 19 31 38 62 151 302 589 961 1178 1922 2869 4681 5479 5738 9362 10958 18259 36518 88939 104101 145111 169849 177878 208202 290222 339698 827329 1654658 2757109 3227131 5265319 5514218 6454262 10530638 15719251 25647199 31438502 51294398 100041061 200082122 487296781 795063169 974593562 1590126338 15106200211 30212400422