Search a number
-
+
1213010230 = 25121301023
BaseRepresentation
bin100100001001101…
…0001000100110110
310010112111022012211
41020103101010312
54441012311410
6320211004034
742026262655
oct11023210466
93115438184
101213010230
115727925a3
1229a29961a
131643cb243
14b715919c
157175a68a
hex484d1136

1213010230 has 8 divisors (see below), whose sum is σ = 2183418432. Its totient is φ = 485204088.

The previous prime is 1213010207. The next prime is 1213010237. The reversal of 1213010230 is 320103121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1213010230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213010237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60650502 + ... + 60650521.

It is an arithmetic number, because the mean of its divisors is an integer number (272927304).

Almost surely, 21213010230 is an apocalyptic number.

1213010230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213010230 is a deficient number, since it is larger than the sum of its proper divisors (970408202).

1213010230 is a wasteful number, since it uses less digits than its factorization.

1213010230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121301030.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1213010230 is about 34828.2963981875. The cubic root of 1213010230 is about 1066.4851710513.

Adding to 1213010230 its reverse (320103121), we get a palindrome (1533113351).

The spelling of 1213010230 in words is "one billion, two hundred thirteen million, ten thousand, two hundred thirty".

Divisors: 1 2 5 10 121301023 242602046 606505115 1213010230