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51508348147017 = 3215031380756423
BaseRepresentation
bin10111011011000101110001…
…10010110101010101001001
320202101011001100022012200200
423231202320302311111021
523222403044111201032
6301314335232522413
713564232612215536
oct1355427062652511
9222334040265620
1051508348147017
1115459627788933
12593a7b56b0409
1322982a7537338
14ca1035885d8d
155e4cb4d7447c
hex2ed8b8cb5549

51508348147017 has 12 divisors (see below), whose sum is σ = 74405897352384. Its totient is φ = 34336614135960.

The previous prime is 51508348146977. The next prime is 51508348147027. The reversal of 51508348147017 is 71074184380515.

It is a happy number.

51508348147017 is a `hidden beast` number, since 5 + 1 + 5 + 0 + 83 + 4 + 81 + 470 + 17 = 666.

It is not a de Polignac number, because 51508348147017 - 214 = 51508348130633 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51508348147027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190242933 + ... + 190513490.

It is an arithmetic number, because the mean of its divisors is an integer number (6200491446032).

Almost surely, 251508348147017 is an apocalyptic number.

It is an amenable number.

51508348147017 is a deficient number, since it is larger than the sum of its proper divisors (22897549205367).

51508348147017 is a wasteful number, since it uses less digits than its factorization.

51508348147017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380771460 (or 380771457 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 54.

The spelling of 51508348147017 in words is "fifty-one trillion, five hundred eight billion, three hundred forty-eight million, one hundred forty-seven thousand, seventeen".

Divisors: 1 3 9 15031 45093 135279 380756423 1142269269 3426807807 5723149794113 17169449382339 51508348147017