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1020044512 = 2531876391
BaseRepresentation
bin111100110011001…
…010010011100000
32122002101122000101
4330303022103200
54042112411022
6245115032144
734164143464
oct7463122340
92562348011
101020044512
114838745a3
1224573b654
13133437946
14996884a4
155e840627
hex3ccca4e0

1020044512 has 12 divisors (see below), whose sum is σ = 2008212696. Its totient is φ = 510022240.

The previous prime is 1020044497. The next prime is 1020044533. The reversal of 1020044512 is 2154400201.

It is a super-2 number, since 2×10200445122 = 2080981612922636288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020044512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15938164 + ... + 15938227.

It is an arithmetic number, because the mean of its divisors is an integer number (167351058).

Almost surely, 21020044512 is an apocalyptic number.

It is an amenable number.

1020044512 is a deficient number, since it is larger than the sum of its proper divisors (988168184).

1020044512 is an equidigital number, since it uses as much as digits as its factorization.

1020044512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31876401 (or 31876393 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1020044512 is about 31938.1357001313. The cubic root of 1020044512 is about 1006.6373520890.

Adding to 1020044512 its reverse (2154400201), we get a palindrome (3174444713).

The spelling of 1020044512 in words is "one billion, twenty million, forty-four thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 31876391 63752782 127505564 255011128 510022256 1020044512