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51253334211 = 380849211313
BaseRepresentation
bin101111101110111011…
…111101000011000011
311220021221012010221110
4233232323331003003
51314431323143321
635313452454403
73463051103232
oct575673750303
9156257163843
1051253334211
111a811197652
129b2477a403
134aaa6190c1
1426a2d84b19
1514ee918176
hexbeeefd0c3

51253334211 has 8 divisors (see below), whose sum is σ = 68338947600. Its totient is φ = 34168305152.

The previous prime is 51253334189. The next prime is 51253334219. The reversal of 51253334211 is 11243335215.

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 51253334211 - 217 = 51253203139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51253334219) 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 7 ways as a sum of consecutive naturals, for example, 136891 + ... + 348203.

It is an arithmetic number, because the mean of its divisors is an integer number (8542368450).

Almost surely, 251253334211 is an apocalyptic number.

51253334211 is a deficient number, since it is larger than the sum of its proper divisors (17085613389).

51253334211 is a wasteful number, since it uses less digits than its factorization.

51253334211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292165.

The product of its digits is 10800, while the sum is 30.

Adding to 51253334211 its reverse (11243335215), we get a palindrome (62496669426).

The spelling of 51253334211 in words is "fifty-one billion, two hundred fifty-three million, three hundred thirty-four thousand, two hundred eleven".

Divisors: 1 3 80849 211313 242547 633939 17084444737 51253334211