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211011010202 = 2105505505101
BaseRepresentation
bin1100010010000100111…
…1000111111010011010
3202011122201102221220002
43010201033013322122
511424122304311302
6240534230133002
721150022664366
oct3044117077232
9664581387802
10211011010202
118154223a133
1234a8b1b1162
1316b8a600125
14a2da61a2a6
15574ee8ac02
hex31213c7e9a

211011010202 has 4 divisors (see below), whose sum is σ = 316516515306. Its totient is φ = 105505505100.

The previous prime is 211011010193. The next prime is 211011010207. The reversal of 211011010202 is 202010110112.

211011010202 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 only one way, i.e., 151654946041 + 59356064161 = 389429^2 + 243631^2 .

It is not an unprimeable number, because it can be changed into a prime (211011010207) 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 as a sum of consecutive naturals, namely, 52752752549 + ... + 52752752552.

Almost surely, 2211011010202 is an apocalyptic number.

211011010202 is a deficient number, since it is larger than the sum of its proper divisors (105505505104).

211011010202 is a wasteful number, since it uses less digits than its factorization.

211011010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105505505103.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211011010202 its reverse (202010110112), we get a palindrome (413021120314).

The spelling of 211011010202 in words is "two hundred eleven billion, eleven million, ten thousand, two hundred two".

Divisors: 1 2 105505505101 211011010202