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51011346517 = 313744473711
BaseRepresentation
bin101111100000100000…
…110110000001010101
311212200001211220020021
4233200200312001111
51313432401042032
635233450105141
73454052201605
oct574040660125
9155601756207
1051011346517
111a6a763671a
129a7771b1b1
134a6c450611
14267cb92c05
1514d8568097
hexbe0836055

51011346517 has 8 divisors (see below), whose sum is σ = 54080033792. Its totient is φ = 48031606800.

The previous prime is 51011346511. The next prime is 51011346541. The reversal of 51011346517 is 71564311015.

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 51011346517 - 219 = 51010822229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51011346511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22235709 + ... + 22238002.

It is an arithmetic number, because the mean of its divisors is an integer number (6760004224).

Almost surely, 251011346517 is an apocalyptic number.

It is an amenable number.

51011346517 is a deficient number, since it is larger than the sum of its proper divisors (3068687275).

51011346517 is a wasteful number, since it uses less digits than its factorization.

51011346517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44473779.

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 51011346517 in words is "fifty-one billion, eleven million, three hundred forty-six thousand, five hundred seventeen".

Divisors: 1 31 37 1147 44473711 1378685041 1645527307 51011346517