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1011312430 = 251912741911
BaseRepresentation
bin111100010001110…
…110011100101110
32121110221222211221
4330101312130232
54032343444210
6244203533554
734030004512
oct7421663456
92543858757
101011312430
1147994aaa7
1224282a2ba
1313169b22b
1498454142
155dbb81da
hex3c47672e

1011312430 has 32 divisors (see below), whose sum is σ = 1931304960. Its totient is φ = 380207520.

The previous prime is 1011312413. The next prime is 1011312433. The reversal of 1011312430 is 342131101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011312433) 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 15 ways as a sum of consecutive naturals, for example, 3175 + ... + 45085.

It is an arithmetic number, because the mean of its divisors is an integer number (60353280).

Almost surely, 21011312430 is an apocalyptic number.

1011312430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011312430 is a deficient number, since it is larger than the sum of its proper divisors (919992530).

1011312430 is a wasteful number, since it uses less digits than its factorization.

1011312430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42064.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1011312430 is about 31801.1388160864. The cubic root of 1011312430 is about 1003.7566796855.

Adding to 1011312430 its reverse (342131101), we get a palindrome (1353443531).

The spelling of 1011312430 in words is "one billion, eleven million, three hundred twelve thousand, four hundred thirty".

Divisors: 1 2 5 10 19 38 95 127 190 254 635 1270 2413 4826 12065 24130 41911 83822 209555 419110 796309 1592618 3981545 5322697 7963090 10645394 26613485 53226970 101131243 202262486 505656215 1011312430