Search a number
-
+
1230200103 = 311223147347
BaseRepresentation
bin100100101010011…
…0101110100100111
310011201211122021210
41021110311310213
510004412400403
6322023242503
742325346136
oct11124656447
93151748253
101230200103
11581463600
122a3ba9433
13167b39572
14b955191d
1573003b03
hex49535d27

1230200103 has 24 divisors (see below), whose sum is σ = 1881339264. Its totient is φ = 713154640.

The previous prime is 1230200093. The next prime is 1230200129. The reversal of 1230200103 is 3010020321.

It is a happy number.

It is not a de Polignac number, because 1230200103 - 28 = 1230199847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230200183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65325 + ... + 82022.

It is an arithmetic number, because the mean of its divisors is an integer number (78389136).

Almost surely, 21230200103 is an apocalyptic number.

1230200103 is a deficient number, since it is larger than the sum of its proper divisors (651139161).

1230200103 is a wasteful number, since it uses less digits than its factorization.

1230200103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147395 (or 147384 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1230200103 is about 35074.2085156601. The cubic root of 1230200103 is about 1071.4993691452.

Adding to 1230200103 its reverse (3010020321), we get a palindrome (4240220424).

The spelling of 1230200103 in words is "one billion, two hundred thirty million, two hundred thousand, one hundred three".

Divisors: 1 3 11 23 33 69 121 253 363 759 2783 8349 147347 442041 1620817 3388981 4862451 10166943 17828987 37278791 53486961 111836373 410066701 1230200103