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1068989260 = 22553449463
BaseRepresentation
bin111111101101110…
…111101101001100
32202111111021120211
4333231313231030
54142130124020
6254024052204
735330154523
oct7755675514
92674437524
101068989260
114a94644a9
1225a004064
13140613931
14a1d894ba
1563cac85a
hex3fb77b4c

1068989260 has 12 divisors (see below), whose sum is σ = 2244877488. Its totient is φ = 427595696.

The previous prime is 1068989231. The next prime is 1068989261. The reversal of 1068989260 is 629898601.

It is a happy number.

It is a super-2 number, since 2×10689892602 = 2285476075990695200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068989261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26724712 + ... + 26724751.

It is an arithmetic number, because the mean of its divisors is an integer number (187073124).

Almost surely, 21068989260 is an apocalyptic number.

1068989260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1068989260 is an abundant number, since it is smaller than the sum of its proper divisors (1175888228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1068989260 is a wasteful number, since it uses less digits than its factorization.

1068989260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53449472 (or 53449470 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 1068989260 is about 32695.4012056742. The cubic root of 1068989260 is about 1022.4869660763.

The spelling of 1068989260 in words is "one billion, sixty-eight million, nine hundred eighty-nine thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 53449463 106898926 213797852 267247315 534494630 1068989260