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54647056626857 = 145137661651707
BaseRepresentation
bin11000110110011100000100…
…11001011111010010101001
321011111012121100001100021222
430123032002121133102221
524130314132444024412
6312120302232311425
714340056002130222
oct1433160231372251
9234435540040258
1054647056626857
1116459760902512
126166b70842575
13246527019cbc6
14d6cd08656249
1564b766c22072
hex31b38265f4a9

54647056626857 has 4 divisors (see below), whose sum is σ = 54684718280016. Its totient is φ = 54609394973700.

The previous prime is 54647056626803. The next prime is 54647056626901. The reversal of 54647056626857 is 75862665074645.

54647056626857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54647056626857 - 214 = 54647056610473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54647059626857) 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 3 ways as a sum of consecutive naturals, for example, 18830824403 + ... + 18830827304.

It is an arithmetic number, because the mean of its divisors is an integer number (13671179570004).

Almost surely, 254647056626857 is an apocalyptic number.

It is an amenable number.

54647056626857 is a deficient number, since it is larger than the sum of its proper divisors (37661653159).

54647056626857 is a wasteful number, since it uses less digits than its factorization.

54647056626857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37661653158.

The product of its (nonzero) digits is 2032128000, while the sum is 71.

The spelling of 54647056626857 in words is "fifty-four trillion, six hundred forty-seven billion, fifty-six million, six hundred twenty-six thousand, eight hundred fifty-seven".

Divisors: 1 1451 37661651707 54647056626857