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1030143303 = 32743380267
BaseRepresentation
bin111101011001101…
…011110101000111
32122210101200221200
4331121223311013
54102204041203
6250115313543
734346034150
oct7531536507
92583350850
101030143303
11489541a02
12248bab8b3
13135562467
149ab56927
15606879a3
hex3d66bd47

1030143303 has 24 divisors (see below), whose sum is σ = 1740106368. Its totient is φ = 574962192.

The previous prime is 1030143287. The next prime is 1030143329. The reversal of 1030143303 is 3033410301.

It is not a de Polignac number, because 1030143303 - 24 = 1030143287 is a prime.

It is a super-2 number, since 2×10301433032 = 2122390449431499618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030143383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187425 + ... + 192842.

It is an arithmetic number, because the mean of its divisors is an integer number (72504432).

Almost surely, 21030143303 is an apocalyptic number.

1030143303 is a deficient number, since it is larger than the sum of its proper divisors (709963065).

1030143303 is a wasteful number, since it uses less digits than its factorization.

1030143303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380323 (or 380320 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1030143303 is about 32095.8455722855. The cubic root of 1030143303 is about 1009.9484674554.

Adding to 1030143303 its reverse (3033410301), we get a palindrome (4063553604).

The spelling of 1030143303 in words is "one billion, thirty million, one hundred forty-three thousand, three hundred three".

Divisors: 1 3 7 9 21 43 63 129 301 387 903 2709 380267 1140801 2661869 3422403 7985607 16351481 23956821 49054443 114460367 147163329 343381101 1030143303