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202111213331330 = 2520211121333133
BaseRepresentation
bin101101111101000110101111…
…000100110110001110000010
3222111121122100221222111120222
4231331012233010312032002
5202442342231103100310
61553504335402103042
760400024164454262
oct5575065704661602
9874548327874528
10202111213331330
115944297a996006
121a8026104aaa82
1388a100c501584
1437ca3408977a2
15185759a935055
hexb7d1af136382

202111213331330 has 8 divisors (see below), whose sum is σ = 363800183996412. Its totient is φ = 80844485332528.

The previous prime is 202111213331323. The next prime is 202111213331333. The reversal of 202111213331330 is 33133312111202.

It can be written as a sum of positive squares in 2 ways, for example, as 180678304205569 + 21432909125761 = 13441663^2 + 4629569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 202111213331330.

It is not an unprimeable number, because it can be changed into a prime (202111213331333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10105560666557 + ... + 10105560666576.

Almost surely, 2202111213331330 is an apocalyptic number.

202111213331330 is a deficient number, since it is larger than the sum of its proper divisors (161688970665082).

202111213331330 is a wasteful number, since it uses less digits than its factorization.

202111213331330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20211121333140.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 202111213331330 its reverse (33133312111202), we get a palindrome (235244525442532).

The spelling of 202111213331330 in words is "two hundred two trillion, one hundred eleven billion, two hundred thirteen million, three hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 20211121333133 40422242666266 101055606665665 202111213331330