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2123143204 = 2271349911689
BaseRepresentation
bin111111010001100…
…1001100000100100
312110222001211221111
41332203021200210
513322011040304
6550402154404
7103420263610
oct17643114044
95428054844
102123143204
1199a505a06
124b3052a04
1327ab31b70
14161d92340
15c65d9704
hex7e8c9824

2123143204 has 48 divisors (see below), whose sum is σ = 4582480000. Its totient is φ = 838169856.

The previous prime is 2123143199. The next prime is 2123143241. The reversal of 2123143204 is 4023413212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175792 + ... + 187480.

Almost surely, 22123143204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123143204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2291240000).

2123143204 is an abundant number, since it is smaller than the sum of its proper divisors (2459336796).

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

2123143204 is a wasteful number, since it uses less digits than its factorization.

2123143204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12212 (or 12210 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2123143204 is about 46077.5781047572. The cubic root of 2123143204 is about 1285.2662277500.

Adding to 2123143204 its reverse (4023413212), we get a palindrome (6146556416).

The spelling of 2123143204 in words is "two billion, one hundred twenty-three million, one hundred forty-three thousand, two hundred four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 499 998 1996 3493 6487 6986 11689 12974 13972 23378 25948 45409 46756 81823 90818 151957 163646 181636 303914 327292 607828 1063699 2127398 4254796 5832811 11665622 23331244 40829677 75826543 81659354 151653086 163318708 303306172 530785801 1061571602 2123143204