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54856802671 = 11234310946261
BaseRepresentation
bin110011000101101110…
…000110000101101111
312020121001202022101021
4303011232012011233
51344321320141141
641111215355011
73651255062206
oct630556060557
9166531668337
1054856802671
11212a0264860
12a76b522a67
135233041b68
14292579823d
151660e626d1
hexcc5b8616f

54856802671 has 32 divisors (see below), whose sum is σ = 64485527040. Its totient is φ = 46163779200.

The previous prime is 54856802647. The next prime is 54856802687. The reversal of 54856802671 is 17620865845.

It is a happy number.

It is not a de Polignac number, because 54856802671 - 27 = 54856802543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54856802621) 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 31 ways as a sum of consecutive naturals, for example, 1162681 + ... + 1208941.

It is an arithmetic number, because the mean of its divisors is an integer number (2015172720).

Almost surely, 254856802671 is an apocalyptic number.

54856802671 is a deficient number, since it is larger than the sum of its proper divisors (9628724369).

54856802671 is a wasteful number, since it uses less digits than its factorization.

54856802671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46447.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 54856802671 in words is "fifty-four billion, eight hundred fifty-six million, eight hundred two thousand, six hundred seventy-one".

Divisors: 1 11 23 43 109 253 473 989 1199 2507 4687 10879 27577 46261 51557 107801 508871 1064003 1185811 1989223 5042449 11704033 21881453 45752129 55466939 115976327 216825307 503273419 1275739597 2385078377 4986982061 54856802671