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54455630631 = 323057787261
BaseRepresentation
bin110010101101110011…
…101111101100100111
312012120002212122210120
4302231303233230213
51343011120140011
641003325053023
73635314136343
oct625563575447
9165502778716
1054455630631
1121104869316
12a6790b7173
13519abacc5c
1428c83aa623
15163ab1ba06
hexcadcefb27

54455630631 has 8 divisors (see below), whose sum is σ = 72610748784. Its totient is φ = 36302133120.

The previous prime is 54455630627. The next prime is 54455630683. The reversal of 54455630631 is 13603655445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54455630631 - 22 = 54455630627 is a prime.

It is a super-2 number, since 2×544556306312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54455630431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324460 + ... + 462801.

It is an arithmetic number, because the mean of its divisors is an integer number (9076343598).

Almost surely, 254455630631 is an apocalyptic number.

54455630631 is a deficient number, since it is larger than the sum of its proper divisors (18155118153).

54455630631 is a wasteful number, since it uses less digits than its factorization.

54455630631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810321.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 54455630631 in words is "fifty-four billion, four hundred fifty-five million, six hundred thirty thousand, six hundred thirty-one".

Divisors: 1 3 23057 69171 787261 2361783 18151876877 54455630631