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103112113121 = 673394145343
BaseRepresentation
bin110000000000111110…
…1011111101111100001
3100212011001122001212122
41200001331133233201
53142133200104441
6115211414234025
710310133333413
oct1400175375741
9325131561778
10103112113121
113a803110816
1217b98055915
1399534b90b4
144dc24cc9b3
152a3757734b
hex1801f5fbe1

103112113121 has 8 divisors (see below), whose sum is σ = 104656491264. Its totient is φ = 101567893680.

The previous prime is 103112113087. The next prime is 103112113151. The reversal of 103112113121 is 121311211301.

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 103112113121 - 222 = 103107918817 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 103112113121.

It is not an unprimeable number, because it can be changed into a prime (103112113151) 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, 2251376 + ... + 2296718.

It is an arithmetic number, because the mean of its divisors is an integer number (13082061408).

Almost surely, 2103112113121 is an apocalyptic number.

It is an amenable number.

103112113121 is a deficient number, since it is larger than the sum of its proper divisors (1544378143).

103112113121 is an equidigital number, since it uses as much as digits as its factorization.

103112113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79351.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 103112113121 its reverse (121311211301), we get a palindrome (224423324422).

The spelling of 103112113121 in words is "one hundred three billion, one hundred twelve million, one hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 67 33941 45343 2274047 3037981 1538986763 103112113121