Search a number
-
+
12102301100 = 2252449269539
BaseRepresentation
bin10110100010101101…
…00111010110101100
31011020102121121002002
423101112213112230
5144241142113400
65320522151432
7605622601451
oct132126472654
934212547062
1012102301100
115150484a3a
122419052578
1311ab402816
1482b44b828
154ac72bed5
hex2d15a75ac

12102301100 has 36 divisors (see below), whose sum is σ = 26320581000. Its totient is φ = 4830120960.

The previous prime is 12102301093. The next prime is 12102301111. The reversal of 12102301100 is 110320121.

It is a super-2 number, since 2×121023011002 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89870 + ... + 179669.

It is an arithmetic number, because the mean of its divisors is an integer number (731127250).

Almost surely, 212102301100 is an apocalyptic number.

12102301100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102301100 is an abundant number, since it is smaller than the sum of its proper divisors (14218279900).

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

12102301100 is a wasteful number, since it uses less digits than its factorization.

12102301100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270002 (or 269995 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12102301100 its reverse (110320121), we get a palindrome (12212621221).

The spelling of 12102301100 in words is "twelve billion, one hundred two million, three hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 449 898 1796 2245 4490 8980 11225 22450 44900 269539 539078 1078156 1347695 2695390 5390780 6738475 13476950 26953900 121023011 242046022 484092044 605115055 1210230110 2420460220 3025575275 6051150550 12102301100