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200210220210021 = 3721361974287143
BaseRepresentation
bin101101100001011100010011…
…000011100101011101100101
3222020212220120111001012112220
4231201130103003211131211
5202220221012333210041
61545451145550102553
760112465616523300
oct5541342303453545
9866786514035486
10200210220210021
115887a74a92560a
121a5560b97aaa59
138793986aaa6b8
1437623251cbb37
151822dd98bdd66
hexb617130e5765

200210220210021 has 12 divisors (see below), whose sum is σ = 310530137468832. Its totient is φ = 114405840119928.

The previous prime is 200210220209957. The next prime is 200210220210029. The reversal of 200210220210021 is 120012022012002.

200210220210021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200210220210021 - 26 = 200210220209957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210220210029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 680987143425 + ... + 680987143718.

It is an arithmetic number, because the mean of its divisors is an integer number (25877511455736).

Almost surely, 2200210220210021 is an apocalyptic number.

200210220210021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200210220210021 is a deficient number, since it is larger than the sum of its proper divisors (110319917258811).

200210220210021 is a wasteful number, since it uses less digits than its factorization.

200210220210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361974287160 (or 1361974287153 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200210220210021 its reverse (120012022012002), we get a palindrome (320222242222023).

The spelling of 200210220210021 in words is "two hundred trillion, two hundred ten billion, two hundred twenty million, two hundred ten thousand, twenty-one".

Divisors: 1 3 7 21 49 147 1361974287143 4085922861429 9533820010001 28601460030003 66736740070007 200210220210021