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32011212421 = 829367310513
BaseRepresentation
bin11101110100000001…
…000101011010000101
310001121220202002011001
4131310001011122011
51011024332244141
622412235213301
72212160546626
oct356401053205
9101556662131
1032011212421
1112637549761
1262545a7231
133031c66b16
1417995c1a4d
15c754a3a31
hex774045685

32011212421 has 8 divisors (see below), whose sum is σ = 32061601880. Its totient is φ = 31960852992.

The previous prime is 32011212379. The next prime is 32011212463. The reversal of 32011212421 is 12421211023.

It is an interprime number because it is at equal distance from previous prime (32011212379) and next prime (32011212463).

It can be written as a sum of positive squares in 4 ways, for example, as 1512432100 + 30498780321 = 38890^2 + 174639^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 32011212421 - 221 = 32009115269 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 (32011242421) 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, 3039661 + ... + 3050173.

It is an arithmetic number, because the mean of its divisors is an integer number (4007700235).

Almost surely, 232011212421 is an apocalyptic number.

It is an amenable number.

32011212421 is a deficient number, since it is larger than the sum of its proper divisors (50389459).

32011212421 is a wasteful number, since it uses less digits than its factorization.

32011212421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15015.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 32011212421 its reverse (12421211023), we get a palindrome (44432423444).

The spelling of 32011212421 in words is "thirty-two billion, eleven million, two hundred twelve thousand, four hundred twenty-one".

Divisors: 1 829 3673 10513 3044917 8715277 38614249 32011212421