Search a number
-
+
12102502 = 215738543
BaseRepresentation
bin101110001010…
…101101100110
3211202212111211
4232022231212
511044240002
61111222034
7204604156
oct56125546
924685454
1012102502
116916875
12407791a
132679859
141870766
1510e0dd7
hexb8ab66

12102502 has 8 divisors (see below), whose sum is σ = 18269856. Its totient is φ = 6012552.

The previous prime is 12102491. The next prime is 12102509. The reversal of 12102502 is 20520121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18958 + ... + 19585.

It is an arithmetic number, because the mean of its divisors is an integer number (2283732).

Almost surely, 212102502 is an apocalyptic number.

12102502 is a deficient number, since it is larger than the sum of its proper divisors (6167354).

12102502 is a wasteful number, since it uses less digits than its factorization.

12102502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38702.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 12102502 is about 3478.8650448099. The cubic root of 12102502 is about 229.5928651160.

Adding to 12102502 its reverse (20520121), we get a palindrome (32622623).

The spelling of 12102502 in words is "twelve million, one hundred two thousand, five hundred two".

Divisors: 1 2 157 314 38543 77086 6051251 12102502