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1030891016 = 23177580081
BaseRepresentation
bin111101011100100…
…010011000001000
32122211210200121202
4331130202120020
54102402003031
6250143323332
734355300111
oct7534423010
92584720552
101030891016
11489a02751
122492b0548
131357648ac
149acad208
15607842cb
hex3d722608

1030891016 has 16 divisors (see below), whose sum is σ = 2046622140. Its totient is φ = 485125120.

The previous prime is 1030891013. The next prime is 1030891039. The reversal of 1030891016 is 6101980301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 855328516 + 175562500 = 29246^2 + 13250^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1030891016.

It is not an unprimeable number, because it can be changed into a prime (1030891013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3789905 + ... + 3790176.

Almost surely, 21030891016 is an apocalyptic number.

It is an amenable number.

1030891016 is a deficient number, since it is larger than the sum of its proper divisors (1015731124).

1030891016 is a wasteful number, since it uses less digits than its factorization.

1030891016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580104 (or 7580100 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1030891016 is about 32107.4915868556. The cubic root of 1030891016 is about 1010.1927599938.

The spelling of 1030891016 in words is "one billion, thirty million, eight hundred ninety-one thousand, sixteen".

Divisors: 1 2 4 8 17 34 68 136 7580081 15160162 30320324 60640648 128861377 257722754 515445508 1030891016