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213438030484 = 22770431082321
BaseRepresentation
bin1100011011000111100…
…1011110001010010100
3202101220212022100211011
43012301321132022110
511444110113433414
6242015125422004
721264123216310
oct3066171361224
9671825270734
10213438030484
1182578227418
1235447b6a904
13171863896c3
14a48aab0b40
15584309cdc4
hex31b1e5e294

213438030484 has 24 divisors (see below), whose sum is σ = 426937065408. Its totient is φ = 91460369280.

The previous prime is 213438030479. The next prime is 213438030563. The reversal of 213438030484 is 484030834312.

It is a happy number.

213438030484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 343957 + ... + 738364.

It is an arithmetic number, because the mean of its divisors is an integer number (17789044392).

Almost surely, 2213438030484 is an apocalyptic number.

It is an amenable number.

213438030484 is an abundant number, since it is smaller than the sum of its proper divisors (213499034924).

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

213438030484 is a wasteful number, since it uses less digits than its factorization.

213438030484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089375 (or 1089373 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

Adding to 213438030484 its reverse (484030834312), we get a palindrome (697468864796).

The spelling of 213438030484 in words is "two hundred thirteen billion, four hundred thirty-eight million, thirty thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 28 7043 14086 28172 49301 98602 197204 1082321 2164642 4329284 7576247 15152494 30304988 7622786803 15245573606 30491147212 53359507621 106719015242 213438030484