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1003143001 = 7374390073
BaseRepresentation
bin111011110010101…
…011111101011001
32120220120221111111
4323302223331121
54023301034001
6243312500321
733600401110
oct7362537531
92526527444
101003143001
11475280203
1223bb4a6a1
1312ca9a953
1497328c77
155d102851
hex3bcabf59

1003143001 has 16 divisors (see below), whose sum is σ = 1204829824. Its totient is φ = 817133184.

The previous prime is 1003142969. The next prime is 1003143007. The reversal of 1003143001 is 1003413001.

It is not a de Polignac number, because 1003143001 - 25 = 1003142969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003143007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33900 + ... + 56173.

It is an arithmetic number, because the mean of its divisors is an integer number (75301864).

Almost surely, 21003143001 is an apocalyptic number.

It is an amenable number.

1003143001 is a deficient number, since it is larger than the sum of its proper divisors (201686823).

1003143001 is an equidigital number, since it uses as much as digits as its factorization.

1003143001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90160.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1003143001 is about 31672.4328241454. The cubic root of 1003143001 is about 1001.0465713064.

Adding to 1003143001 its reverse (1003413001), we get a palindrome (2006556002).

The spelling of 1003143001 in words is "one billion, three million, one hundred forty-three thousand, one".

Divisors: 1 7 37 43 259 301 1591 11137 90073 630511 3332701 3873139 23328907 27111973 143306143 1003143001