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111401213012320 = 25571125571475813
BaseRepresentation
bin11001010101000110011101…
…101110101010100101100000
3112121102212000002000222200011
4121111012131232222211200
5104100144141012343240
61032533002153334304
732315320623561640
oct3125063556524540
9477385002028604
10111401213012320
113254aa97581600
12105b2374a07394
134a211212a74aa
141d71bc16a6520
15cd2c040cd6ea
hex65519dbaa960

111401213012320 has 288 divisors, whose sum is σ = 331206806032704. Its totient is φ = 34660094177280.

The previous prime is 111401213012311. The next prime is 111401213012407. The reversal of 111401213012320 is 23210312104111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 111401213012291 and 111401213012300.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 74746734 + ... + 76222546.

It is an arithmetic number, because the mean of its divisors is an integer number (1150023632058).

Almost surely, 2111401213012320 is an apocalyptic number.

111401213012320 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 111401213012320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165603403016352).

111401213012320 is an abundant number, since it is smaller than the sum of its proper divisors (219805593020384).

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

111401213012320 is a wasteful number, since it uses less digits than its factorization.

111401213012320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476414 (or 1476395 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 111401213012320 its reverse (23210312104111), we get a palindrome (134611525116431).

The spelling of 111401213012320 in words is "one hundred eleven trillion, four hundred one billion, two hundred thirteen million, twelve thousand, three hundred twenty".