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32904742889 = 311061443319
BaseRepresentation
bin11110101001010001…
…101000011111101001
310010221012002010112002
4132221101220133221
51014342103233024
623041034500345
72243260462004
oct365121503751
9103835063462
1032904742889
1112a55962397
1264638946b5
133145106885
14184213653b
15cc8b536ae
hex7a94687e9

32904742889 has 4 divisors (see below), whose sum is σ = 33966186240. Its totient is φ = 31843299540.

The previous prime is 32904742879. The next prime is 32904742943. The reversal of 32904742889 is 98824740923.

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 32904742889 - 24 = 32904742873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32904742879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530721629 + ... + 530721690.

It is an arithmetic number, because the mean of its divisors is an integer number (8491546560).

Almost surely, 232904742889 is an apocalyptic number.

It is an amenable number.

32904742889 is a deficient number, since it is larger than the sum of its proper divisors (1061443351).

32904742889 is a wasteful number, since it uses less digits than its factorization.

32904742889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061443350.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 32904742889 in words is "thirty-two billion, nine hundred four million, seven hundred forty-two thousand, eight hundred eighty-nine".

Divisors: 1 31 1061443319 32904742889