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20031300233 = 75353992723
BaseRepresentation
bin10010101001111101…
…010110001010001001
31220201000102111002122
4102221331112022021
5312011003101413
613111404141025
71306252146140
oct225175261211
956630374078
1020031300233
11854a16838a
123a70537775
131b73016699
14d80512757
157c38a0108
hex4a9f56289

20031300233 has 8 divisors (see below), whose sum is σ = 23324856768. Its totient is φ = 16845729264.

The previous prime is 20031300173. The next prime is 20031300257. The reversal of 20031300233 is 33200313002.

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

It is not a de Polignac number, because 20031300233 - 230 = 18957558409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20031300433) 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 7 ways as a sum of consecutive naturals, for example, 26995991 + ... + 26996732.

It is an arithmetic number, because the mean of its divisors is an integer number (2915607096).

Almost surely, 220031300233 is an apocalyptic number.

It is an amenable number.

20031300233 is a deficient number, since it is larger than the sum of its proper divisors (3293556535).

20031300233 is an equidigital number, since it uses as much as digits as its factorization.

20031300233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53992783.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20031300233 its reverse (33200313002), we get a palindrome (53231613235).

The spelling of 20031300233 in words is "twenty billion, thirty-one million, three hundred thousand, two hundred thirty-three".

Divisors: 1 7 53 371 53992723 377949061 2861614319 20031300233