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5989210991 = 18169329639
BaseRepresentation
bin1011001001111110…
…00001101101101111
3120110101202102221022
411210333001231233
544231214222431
62430145324355
7301263311351
oct54477015557
916411672838
105989210991
1125a3831955
1211b19366bb
13745a8c03a
1440b6010d1
15250c0607b
hex164fc1b6f

5989210991 has 4 divisors (see below), whose sum is σ = 5989558800. Its totient is φ = 5988863184.

The previous prime is 5989210973. The next prime is 5989211023. The reversal of 5989210991 is 1990129895.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5989210991 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 (5989210921) 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, 146651 + ... + 182988.

It is an arithmetic number, because the mean of its divisors is an integer number (1497389700).

Almost surely, 25989210991 is an apocalyptic number.

5989210991 is a deficient number, since it is larger than the sum of its proper divisors (347809).

5989210991 is a wasteful number, since it uses less digits than its factorization.

5989210991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347808.

The product of its (nonzero) digits is 524880, while the sum is 53.

The square root of 5989210991 is about 77389.9928349913. The cubic root of 5989210991 is about 1816.0307765449.

The spelling of 5989210991 in words is "five billion, nine hundred eighty-nine million, two hundred ten thousand, nine hundred ninety-one".

Divisors: 1 18169 329639 5989210991