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23112210311 = 173682136923
BaseRepresentation
bin10101100001100110…
…000101011110000111
32012122201200221012022
4111201212011132013
5334313211212221
614341222513355
71445512355231
oct254146053607
965581627168
1023112210311
119890270763
12459029585b
1322443b95b8
14119377b251
159040c74ab
hex561985787

23112210311 has 8 divisors (see below), whose sum is σ = 24473079504. Its totient is φ = 21751488640.

The previous prime is 23112210283. The next prime is 23112210349. The reversal of 23112210311 is 11301221132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23112210311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 23112210311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112210371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607496 + ... + 644418.

It is an arithmetic number, because the mean of its divisors is an integer number (3059134938).

Almost surely, 223112210311 is an apocalyptic number.

23112210311 is a deficient number, since it is larger than the sum of its proper divisors (1360869193).

23112210311 is a wasteful number, since it uses less digits than its factorization.

23112210311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73761.

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

Adding to 23112210311 its reverse (11301221132), we get a palindrome (34413431443).

The spelling of 23112210311 in words is "twenty-three billion, one hundred twelve million, two hundred ten thousand, three hundred eleven".

Divisors: 1 17 36821 36923 625957 627691 1359541783 23112210311