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221211200002 = 213411914192593
BaseRepresentation
bin1100111000000100110…
…1110000101000000010
3210010222120220021210111
43032001031300220002
512111020031400002
6245342323421534
721660551114152
oct3160115605002
9703876807714
10221211200002
11858a6a56761
1236a572248aa
1317b249100b0
14a9c71b0762
155b4a6de3d7
hex3381370a02

221211200002 has 64 divisors (see below), whose sum is σ = 368993802240. Its totient is φ = 98811187200.

The previous prime is 221211199987. The next prime is 221211200009. The reversal of 221211200002 is 200002112122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (221211200009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85309618 + ... + 85312210.

It is an arithmetic number, because the mean of its divisors is an integer number (5765528160).

Almost surely, 2221211200002 is an apocalyptic number.

221211200002 is a deficient number, since it is larger than the sum of its proper divisors (147782602238).

221211200002 is a wasteful number, since it uses less digits than its factorization.

221211200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221211200002 its reverse (200002112122), we get a palindrome (421213312124).

The spelling of 221211200002 in words is "two hundred twenty-one billion, two hundred eleven million, two hundred thousand, two".

Divisors: 1 2 13 26 41 82 191 382 419 533 838 1066 2483 2593 4966 5186 5447 7831 10894 15662 17179 33709 34358 67418 80029 101803 106313 160058 203606 212626 223327 446654 495263 990526 1040377 1086467 1382069 2080754 2172934 2764138 3281189 6438419 6562378 12876838 14124071 20305783 28248142 40611566 42655457 44545147 85310914 89090294 207515197 263975179 415030394 527950358 579086911 1158173822 2697697561 5395395122 8508123077 17016246154 110605600001 221211200002