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21220201120002 = 2317208041187451
BaseRepresentation
bin1001101001100101101101…
…00011001100000100000010
32210010122001022010211122220
410310302312203030010002
510240132432441320002
6113044231550511510
74320052236302343
oct464626643140402
983118038124586
1021220201120002
116841489360625
12246874a505596
13bac096b33391
145350c56620ca
1526bebd2b87bc
hex134cb68cc102

21220201120002 has 16 divisors (see below), whose sum is σ = 44936896489632. Its totient is φ = 6657317998400.

The previous prime is 21220201119973. The next prime is 21220201120037. The reversal of 21220201120002 is 20002110202212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104020593624 + ... + 104020593827.

It is an arithmetic number, because the mean of its divisors is an integer number (2808556030602).

Almost surely, 221220201120002 is an apocalyptic number.

21220201120002 is an abundant number, since it is smaller than the sum of its proper divisors (23716695369630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21220201120002 is a wasteful number, since it uses less digits than its factorization.

21220201120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208041187473.

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

Adding to 21220201120002 its reverse (20002110202212), we get a palindrome (41222311322214).

The spelling of 21220201120002 in words is "twenty-one trillion, two hundred twenty billion, two hundred one million, one hundred twenty thousand, two".

Divisors: 1 2 3 6 17 34 51 102 208041187451 416082374902 624123562353 1248247124706 3536700186667 7073400373334 10610100560001 21220201120002