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1933052893 = 2637350011
BaseRepresentation
bin111001100111000…
…0000101111011101
311222201101021001121
41303032000233131
512424330143033
6515452010541
765621451502
oct16316005735
94881337047
101933052893
11902181282
1245b460a51
1324a6372a5
14144a2d4a9
15b4a8b62d
hex73380bdd

1933052893 has 4 divisors (see below), whose sum is σ = 1940403168. Its totient is φ = 1925702620.

The previous prime is 1933052873. The next prime is 1933052897. The reversal of 1933052893 is 3982503391.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3982503391 = 7019567389.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1933052893 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 (1933052897) 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 3 ways as a sum of consecutive naturals, for example, 3674743 + ... + 3675268.

It is an arithmetic number, because the mean of its divisors is an integer number (485100792).

Almost surely, 21933052893 is an apocalyptic number.

It is an amenable number.

1933052893 is a deficient number, since it is larger than the sum of its proper divisors (7350275).

1933052893 is an equidigital number, since it uses as much as digits as its factorization.

1933052893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7350274.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 1933052893 is about 43966.4973929013. The cubic root of 1933052893 is about 1245.7031974204.

The spelling of 1933052893 in words is "one billion, nine hundred thirty-three million, fifty-two thousand, eight hundred ninety-three".

Divisors: 1 263 7350011 1933052893