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2143153201 = 7306164743
BaseRepresentation
bin111111110111101…
…1110110000110001
312112100201110111111
41333233132300301
513342121400301
6552355113321
7104052334030
oct17757366061
95470643444
102143153201
119aa8327a2
124b98a2841
132820199b7
141648c0717
15c823d551
hex7fbdec31

2143153201 has 4 divisors (see below), whose sum is σ = 2449317952. Its totient is φ = 1836988452.

The previous prime is 2143153169. The next prime is 2143153223. The reversal of 2143153201 is 1023513412.

It is a happy number.

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 2143153201 - 25 = 2143153169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143153231) 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, 153082365 + ... + 153082378.

It is an arithmetic number, because the mean of its divisors is an integer number (612329488).

Almost surely, 22143153201 is an apocalyptic number.

It is an amenable number.

2143153201 is a deficient number, since it is larger than the sum of its proper divisors (306164751).

2143153201 is an equidigital number, since it uses as much as digits as its factorization.

2143153201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306164750.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2143153201 is about 46294.2026716089. The cubic root of 2143153201 is about 1289.2913602862.

Adding to 2143153201 its reverse (1023513412), we get a palindrome (3166666613).

The spelling of 2143153201 in words is "two billion, one hundred forty-three million, one hundred fifty-three thousand, two hundred one".

Divisors: 1 7 306164743 2143153201