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213042033423140 = 22537287894639761
BaseRepresentation
bin110000011100001010110110…
…101110010111001100100100
31000221022121201121102201111112
4300130022312232113030210
5210410440041024020030
62033034054204124152
762605531122305315
oct6034126656271444
91027277647381445
10213042033423140
1161977689966a79
121ba88b81b36658
1391b4a15376cbc
143a8740a2d260c
151996aa39c3a95
hexc1c2b6b97324

213042033423140 has 24 divisors (see below), whose sum is σ = 459479845060152. Its totient is φ = 82913656250880.

The previous prime is 213042033423061. The next prime is 213042033423151. The reversal of 213042033423140 is 41324330240312.

It can be written as a sum of positive squares in 4 ways, for example, as 117843921092836 + 95198112330304 = 10855594^2 + 9756952^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213042033423097 and 213042033423106.

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 7 ways as a sum of consecutive naturals, for example, 143947319141 + ... + 143947320620.

It is an arithmetic number, because the mean of its divisors is an integer number (19144993544173).

Almost surely, 2213042033423140 is an apocalyptic number.

213042033423140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213042033423140 is an abundant number, since it is smaller than the sum of its proper divisors (246437811637012).

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

213042033423140 is a wasteful number, since it uses less digits than its factorization.

213042033423140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287894639807 (or 287894639805 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 213042033423140 its reverse (41324330240312), we get a palindrome (254366363663452).

The spelling of 213042033423140 in words is "two hundred thirteen trillion, forty-two billion, thirty-three million, four hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 287894639761 575789279522 1151578559044 1439473198805 2878946397610 5757892795220 10652101671157 21304203342314 42608406684628 53260508355785 106521016711570 213042033423140