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54453975073 = 154935154277
BaseRepresentation
bin110010101101101101…
…011011100000100001
312012112222202112210121
4302231231123200201
51343010204200243
641003225400241
73635264102551
oct625555334041
9165488675717
1054453975073
1121103938493
12a678639081
13519a750534
1428c8099161
15163a8e11ed
hexcadb5b821

54453975073 has 4 divisors (see below), whose sum is σ = 54489130900. Its totient is φ = 54418819248.

The previous prime is 54453975047. The next prime is 54453975089. The reversal of 54453975073 is 37057935445.

54453975073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40375677969 + 14078297104 = 200937^2 + 118652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54453975073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54453975073.

It is not an unprimeable number, because it can be changed into a prime (54453975673) 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, 17575590 + ... + 17578687.

It is an arithmetic number, because the mean of its divisors is an integer number (13622282725).

Almost surely, 254453975073 is an apocalyptic number.

It is an amenable number.

54453975073 is a deficient number, since it is larger than the sum of its proper divisors (35155827).

54453975073 is a wasteful number, since it uses less digits than its factorization.

54453975073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35155826.

The product of its (nonzero) digits is 7938000, while the sum is 52.

The spelling of 54453975073 in words is "fifty-four billion, four hundred fifty-three million, nine hundred seventy-five thousand, seventy-three".

Divisors: 1 1549 35154277 54453975073