Search a number
-
+
12112301310 = 235403743377
BaseRepresentation
bin10110100011111001…
…10000110011111110
31011021010102122210020
423101330300303332
5144301222120220
65321520353010
7606103601544
oct132174606376
934233378706
1012112301310
11515609527a
122420475766
1311b04c44c5
1482c8d1d94
154ad555040
hex2d1f30cfe

12112301310 has 16 divisors (see below), whose sum is σ = 29069523216. Its totient is φ = 3229947008.

The previous prime is 12112301281. The next prime is 12112301323. The reversal of 12112301310 is 1310321121.

It is a happy number.

It is a super-2 number, since 2×121123013102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12112301310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201871659 + ... + 201871718.

It is an arithmetic number, because the mean of its divisors is an integer number (1816845201).

Almost surely, 212112301310 is an apocalyptic number.

12112301310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112301310 is an abundant number, since it is smaller than the sum of its proper divisors (16957221906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112301310 is a wasteful number, since it uses less digits than its factorization.

12112301310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403743387.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12112301310 its reverse (1310321121), we get a palindrome (13422622431).

The spelling of 12112301310 in words is "twelve billion, one hundred twelve million, three hundred one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 403743377 807486754 1211230131 2018716885 2422460262 4037433770 6056150655 12112301310