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103120112321 = 434751024301
BaseRepresentation
bin110000000001001110…
…0000000101011000001
3100212011121200110201022
41200002130000223001
53142142222043241
6115212301515225
710310261330612
oct1400234005301
9325147613638
10103120112321
113a807684726
1217b9a872b15
13995505a055
144dc35b1c09
152a3810754b
hex1802700ac1

103120112321 has 8 divisors (see below), whose sum is σ = 107763325824. Its totient is φ = 98578947600.

The previous prime is 103120112299. The next prime is 103120112353. The reversal of 103120112321 is 123211021301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103120112321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103120112321.

It is not an unprimeable number, because it can be changed into a prime (103120132321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25510130 + ... + 25514171.

It is an arithmetic number, because the mean of its divisors is an integer number (13470415728).

Almost surely, 2103120112321 is an apocalyptic number.

It is an amenable number.

103120112321 is a deficient number, since it is larger than the sum of its proper divisors (4643213503).

103120112321 is an equidigital number, since it uses as much as digits as its factorization.

103120112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51024391.

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

Adding to 103120112321 its reverse (123211021301), we get a palindrome (226331133622).

The spelling of 103120112321 in words is "one hundred three billion, one hundred twenty million, one hundred twelve thousand, three hundred twenty-one".

Divisors: 1 43 47 2021 51024301 2194044943 2398142147 103120112321