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202120210000002 = 2372687483707483
BaseRepresentation
bin101101111101001111000111…
…010100011010100010000010
3222111122111120221210121212210
4231331033013110122202002
5202443014142230000002
61553512424224002550
760400463140052100
oct5575170724324202
9874574527717783
10202120210000002
1159446777311378
121a804301460456
1388a1b14386468
1437ca955682c70
1518579256a496c
hexb7d3c751a882

202120210000002 has 24 divisors (see below), whose sum is σ = 470238855919056. Its totient is φ = 57748631428488.

The previous prime is 202120210000001. The next prime is 202120210000031. The reversal of 202120210000002 is 200000012021202.

202120210000002 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (202120210000001) 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, 343741853448 + ... + 343741854035.

It is an arithmetic number, because the mean of its divisors is an integer number (19593285663294).

Almost surely, 2202120210000002 is an apocalyptic number.

202120210000002 is an abundant number, since it is smaller than the sum of its proper divisors (268118645919054).

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

202120210000002 is a wasteful number, since it uses less digits than its factorization.

202120210000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687483707502 (or 687483707495 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 202120210000002 its reverse (200000012021202), we get a palindrome (402120222021204).

The spelling of 202120210000002 in words is "two hundred two trillion, one hundred twenty billion, two hundred ten million, two", and thus it is an aban number.

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 687483707483 1374967414966 2062451122449 4124902244898 4812385952381 9624771904762 14437157857143 28874315714286 33686701666667 67373403333334 101060105000001 202120210000002