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2120143001 = 5023422087
BaseRepresentation
bin111111001011110…
…1101000010011001
312110202102102102212
41332113231002121
513320224034001
6550214004505
7103352626634
oct17627550231
95422372385
102120143001
119988468a9
124b2046735
1327a3213b2
14161810c1b
15c61e57bb
hex7e5ed099

2120143001 has 4 divisors (see below), whose sum is σ = 2120570112. Its totient is φ = 2119715892.

The previous prime is 2120142943. The next prime is 2120143007. The reversal of 2120143001 is 1003410212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2120143001 - 218 = 2119880857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120143007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206021 + ... + 216066.

It is an arithmetic number, because the mean of its divisors is an integer number (530142528).

Almost surely, 22120143001 is an apocalyptic number.

It is an amenable number.

2120143001 is a deficient number, since it is larger than the sum of its proper divisors (427111).

2120143001 is an equidigital number, since it uses as much as digits as its factorization.

2120143001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427110.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2120143001 is about 46045.0105983265. The cubic root of 2120143001 is about 1284.6605412787.

Adding to 2120143001 its reverse (1003410212), we get a palindrome (3123553213).

The spelling of 2120143001 in words is "two billion, one hundred twenty million, one hundred forty-three thousand, one".

Divisors: 1 5023 422087 2120143001