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2123143000 = 235311193013
BaseRepresentation
bin111111010001100…
…1001011101011000
312110222001211122221
41332203021131120
513322011034000
6550402153424
7103420263166
oct17643113530
95428054587
102123143000
1199a505840
124b3052874
1327ab31a44
14161d92236
15c65d961a
hex7e8c9758

2123143000 has 64 divisors (see below), whose sum is σ = 5419833120. Its totient is φ = 772048000.

The previous prime is 2123142997. The next prime is 2123143007. The reversal of 2123143000 is 3413212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123143007) 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 15 ways as a sum of consecutive naturals, for example, 85507 + ... + 107506.

Almost surely, 22123143000 is an apocalyptic number.

2123143000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123143000 is an abundant number, since it is smaller than the sum of its proper divisors (3296690120).

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

2123143000 is a wasteful number, since it uses less digits than its factorization.

2123143000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193045 (or 193031 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2123143000 is about 46077.5758910991. The cubic root of 2123143000 is about 1285.2661865855.

Adding to 2123143000 its reverse (3413212), we get a palindrome (2126556212).

The spelling of 2123143000 in words is "two billion, one hundred twenty-three million, one hundred forty-three thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2200 2750 5500 11000 193013 386026 772052 965065 1544104 1930130 2123143 3860260 4246286 4825325 7720520 8492572 9650650 10615715 16985144 19301300 21231430 24126625 38602600 42462860 48253250 53078575 84925720 96506500 106157150 193013000 212314300 265392875 424628600 530785750 1061571500 2123143000