Search a number
-
+
12101230310 = 251393086387
BaseRepresentation
bin10110100010100101…
…00001111011100110
31011020100121012020012
423101102201323212
5144240403332220
65320443210222
7605610521561
oct132122417346
934210535205
1012101230310
11514a913494
122418816972
1311ab119310
1482b24d4d8
154ac5b9ac5
hex2d14a1ee6

12101230310 has 16 divisors (see below), whose sum is σ = 23457769776. Its totient is φ = 4468146528.

The previous prime is 12101230279. The next prime is 12101230313. The reversal of 12101230310 is 1303210121.

12101230310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121012303102 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101230313) 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, 46543064 + ... + 46543323.

It is an arithmetic number, because the mean of its divisors is an integer number (1466110611).

Almost surely, 212101230310 is an apocalyptic number.

12101230310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101230310 is a deficient number, since it is larger than the sum of its proper divisors (11356539466).

12101230310 is a wasteful number, since it uses less digits than its factorization.

12101230310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93086407.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12101230310 its reverse (1303210121), we get a palindrome (13404440431).

The spelling of 12101230310 in words is "twelve billion, one hundred one million, two hundred thirty thousand, three hundred ten".

Divisors: 1 2 5 10 13 26 65 130 93086387 186172774 465431935 930863870 1210123031 2420246062 6050615155 12101230310