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213231323231010 = 23257495236834449
BaseRepresentation
bin110000011110111011001001…
…010001101011001100100010
31000221222201022112121021102100
4300132323021101223030202
5210422040222221343020
62033301041221431230
762625311653156350
oct6036731121531442
91027881275537370
10213231323231010
1161a3a995042317
121bab97aa86b516
1391c982080b486
143a92645bc27d0
15199b981a52a90
hexc1eec946b322

213231323231010 has 96 divisors (see below), whose sum is σ = 633614532969600. Its totient is φ = 48737596875264.

The previous prime is 213231323230999. The next prime is 213231323231021. The reversal of 213231323231010 is 10132323132312.

213231323231010 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 313 + 2 + 32 + 310 + 1 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (213231323230999) and next prime (213231323231021).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27782266 + ... + 34616714.

It is an arithmetic number, because the mean of its divisors is an integer number (6600151385100).

Almost surely, 2213231323231010 is an apocalyptic number.

213231323231010 is an abundant number, since it is smaller than the sum of its proper divisors (420383209738590).

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

213231323231010 is a wasteful number, since it uses less digits than its factorization.

213231323231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6883992 (or 6883989 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 213231323231010 its reverse (10132323132312), we get a palindrome (223363646363322).

The spelling of 213231323231010 in words is "two hundred thirteen trillion, two hundred thirty-one billion, three hundred twenty-three million, two hundred thirty-one thousand, ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 49523 99046 148569 247615 297138 346661 445707 495230 693322 742845 891414 1039983 1485690 1733305 2079966 2228535 3119949 3466610 4457070 5199915 6239898 6834449 10399830 13668898 15599745 20503347 31199490 34172245 41006694 47841143 61510041 68344490 95682286 102516735 123020082 143523429 205033470 239205715 287046858 307550205 430570287 478411430 615100410 717617145 861140574 1435234290 2152851435 4305702870 338462417827 676924835654 1015387253481 1692312089135 2030774506962 2369236924789 3046161760443 3384624178270 4738473849578 5076936267405 6092323520886 7107710774367 10153872534810 11846184623945 14215421548734 15230808802215 21323132323101 23692369247890 30461617604430 35538553871835 42646264646202 71077107743670 106615661615505 213231323231010