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101231122103 = 182175556959
BaseRepresentation
bin101111001000111011…
…0000101011010110111
3100200021222012211021122
41132101312011122313
53124310131401403
6114301022134155
710212413224526
oct1362166053267
9320258184248
10101231122103
1139a28369391
121775212135b
1397138ac867
144c847724bd
152977371838
hex1791d856b7

101231122103 has 4 divisors (see below), whose sum is σ = 101236697280. Its totient is φ = 101225546928.

The previous prime is 101231122099. The next prime is 101231122189. The reversal of 101231122103 is 301221132101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101231122103 - 22 = 101231122099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101233122103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2760263 + ... + 2796696.

It is an arithmetic number, because the mean of its divisors is an integer number (25309174320).

Almost surely, 2101231122103 is an apocalyptic number.

101231122103 is a deficient number, since it is larger than the sum of its proper divisors (5575177).

101231122103 is an equidigital number, since it uses as much as digits as its factorization.

101231122103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575176.

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

Adding to 101231122103 its reverse (301221132101), we get a palindrome (402452254204).

The spelling of 101231122103 in words is "one hundred one billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred three".

Divisors: 1 18217 5556959 101231122103