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221300220001 = 7291377957291
BaseRepresentation
bin1100111000011010000…
…1010110000001100001
3210011012210101222021111
43032012201112001201
512111210324020001
6245355223423321
721663011555530
oct3160641260141
9704183358244
10221300220001
1185942228803
1236a80bb4b41
1317b3a1aac53
14a9d4d44317
155b53425851
hex3386856061

221300220001 has 16 divisors (see below), whose sum is σ = 263545511040. Its totient is φ = 181808161920.

The previous prime is 221300219957. The next prime is 221300220007. The reversal of 221300220001 is 100022003122.

It is not a de Polignac number, because 221300220001 - 223 = 221291831393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221300220007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3950835 + ... + 4006456.

It is an arithmetic number, because the mean of its divisors is an integer number (16471594440).

Almost surely, 2221300220001 is an apocalyptic number.

It is an amenable number.

221300220001 is a deficient number, since it is larger than the sum of its proper divisors (42245291039).

221300220001 is a wasteful number, since it uses less digits than its factorization.

221300220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7957464.

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

Adding to 221300220001 its reverse (100022003122), we get a palindrome (321322223123).

The spelling of 221300220001 in words is "two hundred twenty-one billion, three hundred million, two hundred twenty thousand, one".

Divisors: 1 7 29 137 203 959 3973 27811 7957291 55701037 230761439 1090148867 1615330073 7631042069 31614317143 221300220001