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51260660708351 is a prime number
BaseRepresentation
bin10111010011111000011010…
…11110001111001111111111
320201111110201120200122100012
423221330031132033033333
523204323313120131401
6301004453351253435
713540313646555233
oct1351741536171777
9221443646618305
1051260660708351
11153735846751a6
1258ba7ab67a27b
13227ab235cac43
14c9305a2525c3
155dd61a0ad8bb
hex2e9f0d78f3ff

51260660708351 has 2 divisors, whose sum is σ = 51260660708352. Its totient is φ = 51260660708350.

The previous prime is 51260660708303. The next prime is 51260660708353. The reversal of 51260660708351 is 15380706606215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51260660708351 - 234 = 51243480839167 is a prime.

It is a super-3 number, since 3×512606607083513 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 51260660708353, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51260660708351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51260660708353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25630330354175 + 25630330354176.

It is an arithmetic number, because the mean of its divisors is an integer number (25630330354176).

Almost surely, 251260660708351 is an apocalyptic number.

51260660708351 is a deficient number, since it is larger than the sum of its proper divisors (1).

51260660708351 is an equidigital number, since it uses as much as digits as its factorization.

51260660708351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 51260660708351 in words is "fifty-one trillion, two hundred sixty billion, six hundred sixty million, seven hundred eight thousand, three hundred fifty-one".