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54848866309 = 73751354333
BaseRepresentation
bin110011000101001111…
…110100100000000101
312020120111211002201221
4303011033310200011
51344312302210214
641110333320341
73651130446136
oct630517644005
9166514732657
1054848866309
1121296834086
12a7689360b1
1352314c36a3
1429246cdc8d
1516603e5e24
hexcc53f4805

54848866309 has 4 divisors (see below), whose sum is σ = 55600220716. Its totient is φ = 54097511904.

The previous prime is 54848866301. The next prime is 54848866357. The reversal of 54848866309 is 90366884845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90366884845 = 518073376969.

It can be written as a sum of positive squares in 2 ways, for example, as 10338415684 + 44510450625 = 101678^2 + 210975^2 .

It is a cyclic number.

It is not a de Polignac number, because 54848866309 - 23 = 54848866301 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 (54848866301) 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, 375677094 + ... + 375677239.

It is an arithmetic number, because the mean of its divisors is an integer number (13900055179).

Almost surely, 254848866309 is an apocalyptic number.

It is an amenable number.

54848866309 is a deficient number, since it is larger than the sum of its proper divisors (751354407).

54848866309 is an equidigital number, since it uses as much as digits as its factorization.

54848866309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751354406.

The product of its (nonzero) digits is 39813120, while the sum is 61.

The spelling of 54848866309 in words is "fifty-four billion, eight hundred forty-eight million, eight hundred sixty-six thousand, three hundred nine".

Divisors: 1 73 751354333 54848866309