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1064968841 = 10511013291
BaseRepresentation
bin111111011110100…
…010001010001001
32202012221000121102
4333132202022021
54140113000331
6253401551145
735251041266
oct7736421211
92665830542
101064968841
114a7168942
122587a54b5
1313c8369a1
14a162026d
15637664cb
hex3f7a2289

1064968841 has 4 divisors (see below), whose sum is σ = 1065983184. Its totient is φ = 1063954500.

The previous prime is 1064968771. The next prime is 1064968847. The reversal of 1064968841 is 1488694601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1064968841 - 226 = 997859977 is a prime.

It is a super-2 number, since 2×10649688412 = 2268317264601766562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1064968847) 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, 505595 + ... + 507696.

It is an arithmetic number, because the mean of its divisors is an integer number (266495796).

Almost surely, 21064968841 is an apocalyptic number.

It is an amenable number.

1064968841 is a deficient number, since it is larger than the sum of its proper divisors (1014343).

1064968841 is a wasteful number, since it uses less digits than its factorization.

1064968841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014342.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 1064968841 is about 32633.8603447401. The cubic root of 1064968841 is about 1021.2035137172.

The spelling of 1064968841 in words is "one billion, sixty-four million, nine hundred sixty-eight thousand, eight hundred forty-one".

Divisors: 1 1051 1013291 1064968841