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51234022457 = 538370916427
BaseRepresentation
bin101111101101110010…
…010010010000111001
311220020120212000012022
4233231302102100321
51314411402204312
635311522524225
73462425001602
oct575562222071
9156216760168
1051234022457
111a8012a7422
129b1a206675
134aa6617027
1426a0598da9
1514ecda1172
hexbedc92439

51234022457 has 16 divisors (see below), whose sum is σ = 52907359680. Its totient is φ = 49588648512.

The previous prime is 51234022453. The next prime is 51234022513. The reversal of 51234022457 is 75422043215.

It is a cyclic number.

It is not a de Polignac number, because 51234022457 - 22 = 51234022453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51234022451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3110678 + ... + 3127104.

It is an arithmetic number, because the mean of its divisors is an integer number (3306709980).

Almost surely, 251234022457 is an apocalyptic number.

It is an amenable number.

51234022457 is a deficient number, since it is larger than the sum of its proper divisors (1673337223).

51234022457 is a wasteful number, since it uses less digits than its factorization.

51234022457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17272.

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 51234022457 in words is "fifty-one billion, two hundred thirty-four million, twenty-two thousand, four hundred fifty-seven".

Divisors: 1 53 83 709 4399 16427 37577 58847 870631 1363441 3118891 11646743 72262373 617277379 966679669 51234022457