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1230210302111 = 7175744328873
BaseRepresentation
bin10001111001101110001…
…111111000000010011111
311100121101110201110121122
4101321232033320002133
5130123432314131421
62341052324121155
7154610521014410
oct21715617700237
94317343643548
101230210302111
1143480270a21a
1217a50ab361bb
138c01540330b
1443784877807
15220020062ab
hex11e6e3f809f

1230210302111 has 4 divisors (see below), whose sum is σ = 1405954630992. Its totient is φ = 1054465973232.

The previous prime is 1230210302107. The next prime is 1230210302119. The reversal of 1230210302111 is 1112030120321.

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

It is not a de Polignac number, because 1230210302111 - 22 = 1230210302107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230210302111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230210302119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87872164430 + ... + 87872164443.

It is an arithmetic number, because the mean of its divisors is an integer number (351488657748).

Almost surely, 21230210302111 is an apocalyptic number.

1230210302111 is a deficient number, since it is larger than the sum of its proper divisors (175744328881).

1230210302111 is an equidigital number, since it uses as much as digits as its factorization.

1230210302111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175744328880.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1230210302111 its reverse (1112030120321), we get a palindrome (2342240422432).

The spelling of 1230210302111 in words is "one trillion, two hundred thirty billion, two hundred ten million, three hundred two thousand, one hundred eleven".

Divisors: 1 7 175744328873 1230210302111