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32113013021 = 38383845987
BaseRepresentation
bin11101111010000101…
…011011000100011101
310001220000022002022122
4131322011123010131
51011231412404041
622430313152325
72214535051445
oct357205330435
9101800262278
1032113013021
1112689a5aa91
1262826bb6a5
13304a08b06b
1417a8d21125
15c7e3b1c4b
hex77a15b11d

32113013021 has 4 divisors (see below), whose sum is σ = 32196859392. Its totient is φ = 32029166652.

The previous prime is 32113013017. The next prime is 32113013029. The reversal of 32113013021 is 12031031123.

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: 12031031123 = 22189542207.

It is a cyclic number.

It is not a de Polignac number, because 32113013021 - 22 = 32113013017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32113013029) 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, 41922611 + ... + 41923376.

It is an arithmetic number, because the mean of its divisors is an integer number (8049214848).

Almost surely, 232113013021 is an apocalyptic number.

It is an amenable number.

32113013021 is a deficient number, since it is larger than the sum of its proper divisors (83846371).

32113013021 is an equidigital number, since it uses as much as digits as its factorization.

32113013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83846370.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 32113013021 its reverse (12031031123), we get a palindrome (44144044144).

The spelling of 32113013021 in words is "thirty-two billion, one hundred thirteen million, thirteen thousand, twenty-one".

Divisors: 1 383 83845987 32113013021