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54464520145 = 572328213583
BaseRepresentation
bin110010101110010101…
…101001111111010001
312012120201121021220211
4302232111221333101
51343020404121040
641004243404121
73635452532320
oct625625517721
9165521537824
1054464520145
1121109890122
12a680083641
13519c9a3219
1428c96420b7
15163b7c58ea
hexcae569fd1

54464520145 has 48 divisors (see below), whose sum is σ = 78199898112. Its totient is φ = 35669842560.

The previous prime is 54464520127. The next prime is 54464520181. The reversal of 54464520145 is 54102546445.

It is not a de Polignac number, because 54464520145 - 217 = 54464389073 is a prime.

It is a super-2 number, since 2×544645201452 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54464520098 and 54464520107.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15199024 + ... + 15202606.

It is an arithmetic number, because the mean of its divisors is an integer number (1629164544).

Almost surely, 254464520145 is an apocalyptic number.

It is an amenable number.

54464520145 is a deficient number, since it is larger than the sum of its proper divisors (23735377967).

54464520145 is a wasteful number, since it uses less digits than its factorization.

54464520145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4462 (or 4439 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 54464520145 in words is "fifty-four billion, four hundred sixty-four million, five hundred twenty thousand, one hundred forty-five".

Divisors: 1 5 7 23 35 115 161 529 805 821 2645 3583 3703 4105 5747 17915 18515 18883 25081 28735 82409 94415 125405 132181 412045 434309 576863 660905 1895407 2171545 2884315 2941643 3040163 9477035 13267849 14708215 15200815 20591501 66339245 67657789 102957505 338288945 473604523 1556129147 2368022615 7780645735 10892904029 54464520145