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51303233211 = 3192341954461
BaseRepresentation
bin101111110001111010…
…010011011010111011
311220102102002021111120
4233301322103122323
51320032111430321
635322434200323
73464225200326
oct576172233273
9156372067446
1051303233211
111a83737949a
129b394230a3
134ab7a6a539
1426a98537bd
151503ec2ec6
hexbf1e936bb

51303233211 has 32 divisors (see below), whose sum is σ = 76967815680. Its totient is φ = 30237292800.

The previous prime is 51303233207. The next prime is 51303233237. The reversal of 51303233211 is 11233230315.

It is not a de Polignac number, because 51303233211 - 22 = 51303233207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51303233011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423480 + ... + 530981.

It is an arithmetic number, because the mean of its divisors is an integer number (2405244240).

Almost surely, 251303233211 is an apocalyptic number.

51303233211 is a deficient number, since it is larger than the sum of its proper divisors (25664582469).

51303233211 is a wasteful number, since it uses less digits than its factorization.

51303233211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954547.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 51303233211 its reverse (11233230315), we get a palindrome (62536463526).

The spelling of 51303233211 in words is "fifty-one billion, three hundred three million, two hundred thirty-three thousand, two hundred eleven".

Divisors: 1 3 19 23 41 57 69 123 437 779 943 1311 2337 2829 17917 53751 954461 2863383 18134759 21952603 39132901 54404277 65857809 117398703 417099457 743525119 900056723 1251298371 2230575357 2700170169 17101077737 51303233211