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212413220432 = 2472965398159
BaseRepresentation
bin1100010111010011010…
…0001000011001010000
3202022021102221121201022
43011310310020121100
511440010241023212
6241325320255012
721226540404020
oct3056464103120
9668242847638
10212413220432
11820a17a8466
1235200911468
1317051c7391a
14a3d0945a80
1557d311a772
hex3174d08650

212413220432 has 40 divisors (see below), whose sum is σ = 486562310400. Its totient is φ = 87895124352.

The previous prime is 212413220353. The next prime is 212413220447. The reversal of 212413220432 is 234022314212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32695832 + ... + 32702327.

It is an arithmetic number, because the mean of its divisors is an integer number (12164057760).

Almost surely, 2212413220432 is an apocalyptic number.

It is an amenable number.

212413220432 is an abundant number, since it is smaller than the sum of its proper divisors (274149089968).

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

212413220432 is a wasteful number, since it uses less digits than its factorization.

212413220432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65398203 (or 65398197 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 212413220432 its reverse (234022314212), we get a palindrome (446435534644).

The spelling of 212413220432 in words is "two hundred twelve billion, four hundred thirteen million, two hundred twenty thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 29 56 58 112 116 203 232 406 464 812 1624 3248 65398159 130796318 261592636 457787113 523185272 915574226 1046370544 1831148452 1896546611 3662296904 3793093222 7324593808 7586186444 13275826277 15172372888 26551652554 30344745776 53103305108 106206610216 212413220432