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54948017871863 = 431277860880741
BaseRepresentation
bin11000111111001100101010…
…00101100001101111110111
321012112222102211201200021222
430133212111011201233313
524200232020033344423
6312510434304300555
714400602051402264
oct1437462505415767
9235488384650258
1054948017871863
1116565361662376
1261b536401175b
1324877641b9a2c
14d7d6d92d826b
156544cd9a93c8
hex31f995161bf7

54948017871863 has 4 divisors (see below), whose sum is σ = 56225878752648. Its totient is φ = 53670156991080.

The previous prime is 54948017871853. The next prime is 54948017871881. The reversal of 54948017871863 is 36817871084945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54948017871863 - 212 = 54948017867767 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 (54948017871823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638930440328 + ... + 638930440413.

It is an arithmetic number, because the mean of its divisors is an integer number (14056469688162).

Almost surely, 254948017871863 is an apocalyptic number.

54948017871863 is a deficient number, since it is larger than the sum of its proper divisors (1277860880785).

54948017871863 is a wasteful number, since it uses less digits than its factorization.

54948017871863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277860880784.

The product of its (nonzero) digits is 325140480, while the sum is 71.

The spelling of 54948017871863 in words is "fifty-four trillion, nine hundred forty-eight billion, seventeen million, eight hundred seventy-one thousand, eight hundred sixty-three".

Divisors: 1 43 1277860880741 54948017871863