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212020220113 = 1316309247701
BaseRepresentation
bin1100010101110101100…
…0111101000011010001
3202021021001110010121221
43011131120331003101
511433204134020423
6241222321045041
721214026064342
oct3053530750321
9667231403557
10212020220113
1181a0a983509
1235111186781
1316cbb713360
14a3946840c9
1557ad88ae5d
hex315d63d0d1

212020220113 has 4 divisors (see below), whose sum is σ = 228329467828. Its totient is φ = 195710972400.

The previous prime is 212020220081. The next prime is 212020220123. The reversal of 212020220113 is 311022020212.

It is a happy number.

212020220113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118771215424 + 93249004689 = 344632^2 + 305367^2 .

It is a cyclic number.

It is not a de Polignac number, because 212020220113 - 25 = 212020220081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020220123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8154623838 + ... + 8154623863.

It is an arithmetic number, because the mean of its divisors is an integer number (57082366957).

Almost surely, 2212020220113 is an apocalyptic number.

It is an amenable number.

212020220113 is a deficient number, since it is larger than the sum of its proper divisors (16309247715).

212020220113 is a wasteful number, since it uses less digits than its factorization.

212020220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16309247714.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212020220113 its reverse (311022020212), we get a palindrome (523042240325).

The spelling of 212020220113 in words is "two hundred twelve billion, twenty million, two hundred twenty thousand, one hundred thirteen".

Divisors: 1 13 16309247701 212020220113