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213420412012312 = 23313723258545337
BaseRepresentation
bin110000100001101011001111…
…110110001000011100011000
31000222122210101110111121201201
4300201223033312020130120
5210433140000433343222
62033523552254323544
762645054523246211
oct6041531766103430
91028583343447651
10213420412012312
11620030a77a43aa
121bb2a3801b95b4
1392115c641930b
143a9b862b04408
1519a184c123427
hexc21acfd88718

213420412012312 has 32 divisors (see below), whose sum is σ = 424235866965120. Its totient is φ = 100476915851520.

The previous prime is 213420412012289. The next prime is 213420412012319. The reversal of 213420412012312 is 213210214024312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213420412012319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11629263493 + ... + 11629281844.

It is an arithmetic number, because the mean of its divisors is an integer number (13257370842660).

Almost surely, 2213420412012312 is an apocalyptic number.

It is an amenable number.

213420412012312 is a deficient number, since it is larger than the sum of its proper divisors (210815454952808).

213420412012312 is a wasteful number, since it uses less digits than its factorization.

213420412012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23258545411 (or 23258545407 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 213420412012312 its reverse (213210214024312), we get a palindrome (426630626036624).

The spelling of 213420412012312 in words is "two hundred thirteen trillion, four hundred twenty billion, four hundred twelve million, twelve thousand, three hundred twelve".

Divisors: 1 2 4 8 31 37 62 74 124 148 248 296 1147 2294 4588 9176 23258545337 46517090674 93034181348 186068362696 721014905447 860566177469 1442029810894 1721132354938 2884059621788 3442264709876 5768119243576 6884529419752 26677551501539 53355103003078 106710206006156 213420412012312