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51234210320233 = 3189115316105679
BaseRepresentation
bin10111010011000111001001…
…11010000000111101101001
320201101221110012121201001211
423221203210322000331221
523203410130320221413
6300544400555513121
713535356331146123
oct1351434472007551
9221357405551054
1051234210320233
1115363341064106
1258b56494587a1
132278499753005
14c91a6b3dc213
155dcabcde183d
hex2e98e4e80f69

51234210320233 has 16 divisors (see below), whose sum is σ = 53527549593600. Its totient is φ = 48981876387840.

The previous prime is 51234210320141. The next prime is 51234210320257. The reversal of 51234210320233 is 33202301243215.

51234210320233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-51234210320233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51234210320195 and 51234210320204.

It is not an unprimeable number, because it can be changed into a prime (51234210329233) 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 15 ways as a sum of consecutive naturals, for example, 4871713 + ... + 11233966.

It is an arithmetic number, because the mean of its divisors is an integer number (3345471849600).

Almost surely, 251234210320233 is an apocalyptic number.

It is an amenable number.

51234210320233 is a deficient number, since it is larger than the sum of its proper divisors (2293339273367).

51234210320233 is a wasteful number, since it uses less digits than its factorization.

51234210320233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16106952.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 51234210320233 its reverse (33202301243215), we get a palindrome (84436511563448).

The spelling of 51234210320233 in words is "fifty-one trillion, two hundred thirty-four billion, two hundred ten million, three hundred twenty thousand, two hundred thirty-three".

Divisors: 1 31 89 1153 2759 35743 102617 3181127 16105679 499276049 1433405431 18569847887 44435568361 575665284497 1652716461943 51234210320233