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42313220212 = 2272893145121
BaseRepresentation
bin100111011010000100…
…001000000001110100
311001012212210022002011
4213122010020001310
51143124141021322
631234411054004
73025363303024
oct473204100164
9131185708064
1042313220212
1116a4378968a
12824a741304
133cb43a5c13
1420958bba84
151179b1a677
hex9da108074

42313220212 has 12 divisors (see below), whose sum is σ = 74049661476. Its totient is φ = 21156174080.

The previous prime is 42313220149. The next prime is 42313220231. The reversal of 42313220212 is 21202231324.

It can be written as a sum of positive squares in 2 ways, for example, as 2298818916 + 40014401296 = 47946^2 + 200036^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219012 + ... + 364132.

It is an arithmetic number, because the mean of its divisors is an integer number (6170805123).

Almost surely, 242313220212 is an apocalyptic number.

It is an amenable number.

42313220212 is a deficient number, since it is larger than the sum of its proper divisors (31736441264).

42313220212 is a wasteful number, since it uses less digits than its factorization.

42313220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218018 (or 218016 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 42313220212 its reverse (21202231324), we get a palindrome (63515451536).

It can be divided in two parts, 423132 and 20212, that added together give a palindrome (443344).

The spelling of 42313220212 in words is "forty-two billion, three hundred thirteen million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 72893 145121 145786 290242 291572 580484 10578305053 21156610106 42313220212