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22021000201 = 1773144712263
BaseRepresentation
bin10100100000100011…
…011100110000001001
32002211200101201100001
4110200203130300021
5330044334001301
614041042243001
71406462261524
oct244043346011
962750351301
1022021000201
11938030a422
124326956461
1320cc2c5745
1410cc889bbb
1588d3cac01
hex5208dcc09

22021000201 has 16 divisors (see below), whose sum is σ = 23654018304. Its totient is φ = 20425941504.

The previous prime is 22021000187. The next prime is 22021000231. The reversal of 22021000201 is 10200012022.

It is a cyclic number.

It is not a de Polignac number, because 22021000201 - 215 = 22020967433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22021000231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1789596 + ... + 1801858.

It is an arithmetic number, because the mean of its divisors is an integer number (1478376144).

Almost surely, 222021000201 is an apocalyptic number.

It is an amenable number.

22021000201 is a deficient number, since it is larger than the sum of its proper divisors (1633018103).

22021000201 is a wasteful number, since it uses less digits than its factorization.

22021000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13800.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22021000201 its reverse (10200012022), we get a palindrome (32221012223).

The spelling of 22021000201 in words is "twenty-two billion, twenty-one million, two hundred one", and thus it is an aban number.

Divisors: 1 17 73 1241 1447 12263 24599 105631 208471 895199 1795727 15218383 17744561 301657537 1295352953 22021000201