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1012230303 = 371739811
BaseRepresentation
bin111100010101010…
…110100010011111
32121112200121221020
4330111112202133
54033112332203
6244235335223
734040546520
oct7425264237
92545617836
101012230303
1147a417677
12242bb1513
1313192cc56
1498612847
155dcea153
hex3c55689f

1012230303 has 32 divisors (see below), whose sum is σ = 1638996480. Its totient is φ = 544337280.

The previous prime is 1012230293. The next prime is 1012230311. The reversal of 1012230303 is 3030322101.

It is not a de Polignac number, because 1012230303 - 28 = 1012230047 is a prime.

It is a super-2 number, since 2×10122303032 = 2049220372622943618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012230203) 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 31 ways as a sum of consecutive naturals, for example, 98268 + ... + 108078.

It is an arithmetic number, because the mean of its divisors is an integer number (51218640).

Almost surely, 21012230303 is an apocalyptic number.

1012230303 is a deficient number, since it is larger than the sum of its proper divisors (626766177).

1012230303 is an frugal number, since it uses more digits than its factorization.

1012230303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9872 (or 9838 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1012230303 is about 31815.5669916473. The cubic root of 1012230303 is about 1004.0602596462.

Adding to 1012230303 its reverse (3030322101), we get a palindrome (4042552404).

The spelling of 1012230303 in words is "one billion, twelve million, two hundred thirty thousand, three hundred three".

Divisors: 1 3 7 17 21 51 119 289 357 867 2023 4913 6069 9811 14739 29433 34391 68677 103173 166787 206031 500361 1167509 2835379 3502527 8506137 19847653 48201443 59542959 144604329 337410101 1012230303