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213112320202 = 2499213539399
BaseRepresentation
bin1100011001111001111…
…0111111000011001010
3202101002011102120022101
43012132132333003022
511442423223221302
6241522532344014
721253056555535
oct3063636770312
9671064376271
10213112320202
1182420392471
1235376a7500a
1317133a59322
14a459727a1c
1558246b1287
hex319e7bf0ca

213112320202 has 8 divisors (see below), whose sum is σ = 320309100000. Its totient is φ = 106342620204.

The previous prime is 213112320199. The next prime is 213112320203. The reversal of 213112320202 is 202023211312.

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

It is a super-2 number, since 2×2131123202022 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213112320202.

It is not an unprimeable number, because it can be changed into a prime (213112320203) 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, 106768702 + ... + 106770697.

It is an arithmetic number, because the mean of its divisors is an integer number (40038637500).

Almost surely, 2213112320202 is an apocalyptic number.

213112320202 is a deficient number, since it is larger than the sum of its proper divisors (107196779798).

213112320202 is a wasteful number, since it uses less digits than its factorization.

213112320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213539900.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213112320202 its reverse (202023211312), we get a palindrome (415135531514).

The spelling of 213112320202 in words is "two hundred thirteen billion, one hundred twelve million, three hundred twenty thousand, two hundred two".

Divisors: 1 2 499 998 213539399 427078798 106556160101 213112320202