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212000403001 = 1508891405009
BaseRepresentation
bin1100010101110000110…
…1010110111000111001
3202021012200011022122211
43011130031112320321
511433134100344001
6241220332215121
721213365456452
oct3053415267071
9667180138584
10212000403001
11819aa778632
123510660a4a1
1316cb759525a
14a391ba6129
1557abc74351
hex315c356e39

212000403001 has 4 divisors (see below), whose sum is σ = 212001958900. Its totient is φ = 211998847104.

The previous prime is 212000402983. The next prime is 212000403011. The reversal of 212000403001 is 100304000212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 151324890025 + 60675512976 = 389005^2 + 246324^2 .

It is a cyclic number.

It is not a de Polignac number, because 212000403001 - 25 = 212000402969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212000403011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551616 + ... + 853393.

It is an arithmetic number, because the mean of its divisors is an integer number (53000489725).

Almost surely, 2212000403001 is an apocalyptic number.

It is an amenable number.

212000403001 is a deficient number, since it is larger than the sum of its proper divisors (1555899).

212000403001 is a wasteful number, since it uses less digits than its factorization.

212000403001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555898.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 212000403001 its reverse (100304000212), we get a palindrome (312304403213).

The spelling of 212000403001 in words is "two hundred twelve billion, four hundred three thousand, one".

Divisors: 1 150889 1405009 212000403001