Search a number
-
+
123220140103 = 5711108319471
BaseRepresentation
bin111001011000001111…
…1100010000001000111
3102210001102102200021201
41302300133202001013
54004323323440403
6132335003123331
711621336623654
oct1626037420107
9383042380251
10123220140103
1148291614035
121ba6a213547
13b809388008
145d6cc94c2b
153312a3121d
hex1cb07e2047

123220140103 has 8 divisors (see below), whose sum is σ = 123453414656. Its totient is φ = 122986927800.

The previous prime is 123220140091. The next prime is 123220140187. The reversal of 123220140103 is 301041022321.

It is a happy number.

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-123220140103 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 (123220140403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6318658 + ... + 6338128.

It is an arithmetic number, because the mean of its divisors is an integer number (15431676832).

Almost surely, 2123220140103 is an apocalyptic number.

123220140103 is a deficient number, since it is larger than the sum of its proper divisors (233274553).

123220140103 is a wasteful number, since it uses less digits than its factorization.

123220140103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31125.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123220140103 its reverse (301041022321), we get a palindrome (424261162424).

The spelling of 123220140103 in words is "one hundred twenty-three billion, two hundred twenty million, one hundred forty thousand, one hundred three".

Divisors: 1 571 11083 19471 6328393 11117941 215797093 123220140103