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212442441040 = 2452655530513
BaseRepresentation
bin1100010111011010001…
…1100110010101010000
3202022100110221011212001
43011312203212111100
511440040231103130
6241332242443344
721230343645214
oct3056643462520
9668313834761
10212442441040
1182107246325
123520a663554
1317058034c1b
14a3d4790944
1557d598d6ca
hex31768e6550

212442441040 has 20 divisors (see below), whose sum is σ = 493928675604. Its totient is φ = 84976976384.

The previous prime is 212442441011. The next prime is 212442441053. The reversal of 212442441040 is 40144244212.

It is a happy number.

212442441040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 118801544976 + 93640896064 = 344676^2 + 306008^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327765177 + ... + 1327765336.

Almost surely, 2212442441040 is an apocalyptic number.

212442441040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212442441040 is an abundant number, since it is smaller than the sum of its proper divisors (281486234564).

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

212442441040 is a wasteful number, since it uses less digits than its factorization.

212442441040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655530526 (or 2655530520 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 212442441040 its reverse (40144244212), we get a palindrome (252586685252).

The spelling of 212442441040 in words is "two hundred twelve billion, four hundred forty-two million, four hundred forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 2655530513 5311061026 10622122052 13277652565 21244244104 26555305130 42488488208 53110610260 106221220520 212442441040