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23112310101012 = 22321110339710131409
BaseRepresentation
bin1010100000101010000010…
…00010001001010000010100
310000211111220122000001022200
411100111001002021100110
511012133002341213022
6121053352040524500
74603544406260556
oct520250102112024
9100744818001280
1023112310101012
11740096a573a10
1227133a1a80730
13cb8634ab14c2
1459c8db0754d6
152a130e3dbbac
hex150541089414

23112310101012 has 288 divisors, whose sum is σ = 64624339503360. Its totient is φ = 6906527907840.

The previous prime is 23112310100993. The next prime is 23112310101029. The reversal of 23112310101012 is 21010101321132.

23112310101012 is a `hidden beast` number, since 231 + 12 + 310 + 10 + 101 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16403342164 + ... + 16403343572.

It is an arithmetic number, because the mean of its divisors is an integer number (224390067720).

Almost surely, 223112310101012 is an apocalyptic number.

23112310101012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23112310101012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32312169751680).

23112310101012 is an abundant number, since it is smaller than the sum of its proper divisors (41512029402348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23112310101012 is a wasteful number, since it uses less digits than its factorization.

23112310101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943 (or 2938 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 23112310101012 its reverse (21010101321132), we get a palindrome (44122411422144).

The spelling of 23112310101012 in words is "twenty-three trillion, one hundred twelve billion, three hundred ten million, one hundred one thousand, twelve".