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1068745477 = 17537316249
BaseRepresentation
bin111111101100111…
…100001100000101
32202111000220011211
4333230330030011
54142044323402
6254014531421
735325121012
oct7754741405
92674026154
101068745477
114a9308328
12259b06b71
13140559997
14a1d24709
1563c604d7
hex3fb3c305

1068745477 has 16 divisors (see below), whose sum is σ = 1168830000. Its totient is φ = 973320192.

The previous prime is 1068745453. The next prime is 1068745493. The reversal of 1068745477 is 7745478601.

It can be written as a sum of positive squares in 8 ways, for example, as 122014116 + 946731361 = 11046^2 + 30769^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068745477 - 215 = 1068712709 is a prime.

It is a super-2 number, since 2×10687454772 = 2284433789215915058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1068745477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068745427) 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, 57649 + ... + 73897.

It is an arithmetic number, because the mean of its divisors is an integer number (73051875).

Almost surely, 21068745477 is an apocalyptic number.

1068745477 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1068745477 is a deficient number, since it is larger than the sum of its proper divisors (100084523).

1068745477 is a wasteful number, since it uses less digits than its factorization.

1068745477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16392.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The square root of 1068745477 is about 32691.6728999909. The cubic root of 1068745477 is about 1022.4092341164.

The spelling of 1068745477 in words is "one billion, sixty-eight million, seven hundred forty-five thousand, four hundred seventy-seven".

Divisors: 1 17 53 73 901 1241 3869 16249 65773 276233 861197 1186177 14640349 20165009 62867381 1068745477