Search a number
-
+
1230055103 = 8322396619
BaseRepresentation
bin100100101010001…
…0010011010111111
310011201120021101102
41021110102122333
510004343230403
6322020203315
742324203324
oct11124223277
93151507342
101230055103
11581374672
122a3b3953b
13167ab8574
14b9514b4b
1572ec5b88
hex495126bf

1230055103 has 8 divisors (see below), whose sum is σ = 1245619200. Its totient is φ = 1214508888.

The previous prime is 1230055093. The next prime is 1230055133. The reversal of 1230055103 is 3015500321.

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 1230055103 - 218 = 1229792959 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 (1230055133) 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, 182528 + ... + 189146.

It is an arithmetic number, because the mean of its divisors is an integer number (155702400).

Almost surely, 21230055103 is an apocalyptic number.

1230055103 is a deficient number, since it is larger than the sum of its proper divisors (15564097).

1230055103 is an equidigital number, since it uses as much as digits as its factorization.

1230055103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8941.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1230055103 is about 35072.1414088162. The cubic root of 1230055103 is about 1071.4572693511.

Adding to 1230055103 its reverse (3015500321), we get a palindrome (4245555424).

The spelling of 1230055103 in words is "one billion, two hundred thirty million, fifty-five thousand, one hundred three".

Divisors: 1 83 2239 6619 185837 549377 14819941 1230055103