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54542424545 = 5749714679
BaseRepresentation
bin110010110010111110…
…110101100111100001
312012210011012020122222
4302302332311213201
51343200330041140
641020105240425
73640416650000
oct626276654741
9165704166588
1054542424545
112114985a924
12a6a2193115
1351b2b7b7bb
1428d5b20c37
1516435635b5
hexcb2fb59e1

54542424545 has 40 divisors (see below), whose sum is σ = 76449821760. Its totient is φ = 37354017120.

The previous prime is 54542424539. The next prime is 54542424553.

It is a happy number.

54542424545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54542424545 - 24 = 54542424529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54542424496 and 54542424505.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11654516 + ... + 11659194.

It is an arithmetic number, because the mean of its divisors is an integer number (1911245544).

Almost surely, 254542424545 is an apocalyptic number.

It is an amenable number.

54542424545 is a deficient number, since it is larger than the sum of its proper divisors (21907397215).

54542424545 is an frugal number, since it uses more digits than its factorization.

54542424545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5683 (or 5662 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 44.

The spelling of 54542424545 in words is "fifty-four billion, five hundred forty-two million, four hundred twenty-four thousand, five hundred forty-five".

Divisors: 1 5 7 35 49 245 343 971 1715 2401 4679 4855 6797 12005 23395 32753 33985 47579 163765 229271 237895 333053 1146355 1604897 1665265 2331371 4543309 8024485 11234279 11656855 22716545 31803163 56171395 159015815 222622141 1113110705 1558354987 7791774935 10908484909 54542424545