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1020430011 = 31991709263
BaseRepresentation
bin111100110100101…
…000011010111011
32122010010012211010
4330310220122323
54042212230021
6245131205003
734200340416
oct7464503273
92563105733
101020430011
11484008197
122458a6763
13133541253
1499748b7d
155e8b9976
hex3cd286bb

1020430011 has 8 divisors (see below), whose sum is σ = 1367411200. Its totient is φ = 676867752.

The previous prime is 1020430001. The next prime is 1020430027. The reversal of 1020430011 is 1100340201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020430011 - 210 = 1020428987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020430001) 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 7 ways as a sum of consecutive naturals, for example, 854035 + ... + 855228.

It is an arithmetic number, because the mean of its divisors is an integer number (170926400).

Almost surely, 21020430011 is an apocalyptic number.

1020430011 is a deficient number, since it is larger than the sum of its proper divisors (346981189).

1020430011 is a wasteful number, since it uses less digits than its factorization.

1020430011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709465.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1020430011 is about 31944.1702193061. The cubic root of 1020430011 is about 1006.7641468229.

Adding to 1020430011 its reverse (1100340201), we get a palindrome (2120770212).

The spelling of 1020430011 in words is "one billion, twenty million, four hundred thirty thousand, eleven".

Divisors: 1 3 199 597 1709263 5127789 340143337 1020430011