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1033221013 = 11791188977
BaseRepresentation
bin111101100101011…
…011001110010101
32200000012001202221
4331211123032111
54104001033023
6250305302341
734414143106
oct7545331625
92600161687
101033221013
11490254270
1224a0349b1
1313609c2a6
149b3183ad
1560a9485d
hex3d95b395

1033221013 has 8 divisors (see below), whose sum is σ = 1141418880. Its totient is φ = 927401280.

The previous prime is 1033220971. The next prime is 1033221017. The reversal of 1033221013 is 3101223301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1033221013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033221017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593620 + ... + 595357.

It is an arithmetic number, because the mean of its divisors is an integer number (142677360).

Almost surely, 21033221013 is an apocalyptic number.

It is an amenable number.

1033221013 is a deficient number, since it is larger than the sum of its proper divisors (108197867).

1033221013 is a wasteful number, since it uses less digits than its factorization.

1033221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189067.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1033221013 is about 32143.7554277654. The cubic root of 1033221013 is about 1010.9532590805.

Adding to 1033221013 its reverse (3101223301), we get a palindrome (4134444314).

The spelling of 1033221013 in words is "one billion, thirty-three million, two hundred twenty-one thousand, thirteen".

Divisors: 1 11 79 869 1188977 13078747 93929183 1033221013