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112031205421 = 891407189459
BaseRepresentation
bin110100001010110010…
…1001000100000101101
3101201011122110220101111
41220111211020200231
53313414442033141
6123244425312021
711044144351102
oct1502545104055
9351148426344
10112031205421
114356a770883
1219867035611
13a74527bac5
1455cac82aa9
152daa5c1381
hex1a1594882d

112031205421 has 8 divisors (see below), whose sum is σ = 113299300800. Its totient is φ = 110763317280.

The previous prime is 112031205413. The next prime is 112031205497. The reversal of 112031205421 is 124502130211.

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

It is a cyclic number.

It is not a de Polignac number, because 112031205421 - 23 = 112031205413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112031205392 and 112031205401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112031205721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207590 + ... + 1297048.

It is an arithmetic number, because the mean of its divisors is an integer number (14162412600).

Almost surely, 2112031205421 is an apocalyptic number.

It is an amenable number.

112031205421 is a deficient number, since it is larger than the sum of its proper divisors (1268095379).

112031205421 is an equidigital number, since it uses as much as digits as its factorization.

112031205421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103619.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 112031205421 its reverse (124502130211), we get a palindrome (236533335632).

The spelling of 112031205421 in words is "one hundred twelve billion, thirty-one million, two hundred five thousand, four hundred twenty-one".

Divisors: 1 89 14071 89459 1252319 7961851 1258777589 112031205421