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200012021201 = 927912155511
BaseRepresentation
bin1011101001000110100…
…1010011110111010001
3201010021011220102111002
42322101221103313101
511234111034134301
6231514555431345
720310325062146
oct2722151236721
9633234812432
10200012021201
1177908631983
123291b755555
1315b2696aa05
1499759303cd
15530954b16b
hex2e91a53dd1

200012021201 has 4 divisors (see below), whose sum is σ = 200014269504. Its totient is φ = 200009772900.

The previous prime is 200012021197. The next prime is 200012021207. The reversal of 200012021201 is 102120210002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200012021201 - 22 = 200012021197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200012021207) 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, 984965 + ... + 1170546.

It is an arithmetic number, because the mean of its divisors is an integer number (50003567376).

Almost surely, 2200012021201 is an apocalyptic number.

It is an amenable number.

200012021201 is a deficient number, since it is larger than the sum of its proper divisors (2248303).

200012021201 is an equidigital number, since it uses as much as digits as its factorization.

200012021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248302.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200012021201 its reverse (102120210002), we get a palindrome (302132231203).

The spelling of 200012021201 in words is "two hundred billion, twelve million, twenty-one thousand, two hundred one".

Divisors: 1 92791 2155511 200012021201