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111302011020 = 223519229374789
BaseRepresentation
bin110011110101000011…
…1011110100010001100
3101122021211100222201110
41213222013132202030
53310421303323040
6123044220212020
711020111324644
oct1475207364214
9348254328643
10111302011020
11432260a1282
12196a299a010
13a65a18a325
14555c0a9524
152d66583980
hex19ea1de88c

111302011020 has 288 divisors, whose sum is σ = 349522084800. Its totient is φ = 26409535488.

The previous prime is 111302011019. The next prime is 111302011021. The reversal of 111302011020 is 20110203111.

It is an interprime number because it is at equal distance from previous prime (111302011019) and next prime (111302011021).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 111302010987 and 111302011005.

It is not an unprimeable number, because it can be changed into a prime (111302011021) 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 95 ways as a sum of consecutive naturals, for example, 23238786 + ... + 23243574.

It is an arithmetic number, because the mean of its divisors is an integer number (1213618350).

Almost surely, 2111302011020 is an apocalyptic number.

111302011020 is a gapful number since it is divisible by the number (10) 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 111302011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174761042400).

111302011020 is an abundant number, since it is smaller than the sum of its proper divisors (238220073780).

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

111302011020 is a wasteful number, since it uses less digits than its factorization.

111302011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905 (or 4884 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 111302011020 its reverse (20110203111), we get a palindrome (131412214131).

The spelling of 111302011020 in words is "one hundred eleven billion, three hundred two million, eleven thousand, twenty".