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54452221452 = 22321579634151
BaseRepresentation
bin110010101101100110…
…101111011000001100
312012112212110110021200
4302231212233120030
51343004232041302
641003124025500
73635243150136
oct625546573014
9165485413250
1054452221452
112110294aa12
12a677b32290
13519a2882a5
1428c7b60056
15163a69681c
hexcad9af60c

54452221452 has 36 divisors (see below), whose sum is σ = 138519837456. Its totient is φ = 18035128800.

The previous prime is 54452221451. The next prime is 54452221469. The reversal of 54452221452 is 25412225445.

54452221452 is a `hidden beast` number, since 544 + 52 + 2 + 2 + 14 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (54452221451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4811424 + ... + 4822727.

Almost surely, 254452221452 is an apocalyptic number.

It is an amenable number.

54452221452 is an abundant number, since it is smaller than the sum of its proper divisors (84067616004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54452221452 is a wasteful number, since it uses less digits than its factorization.

54452221452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9634318 (or 9634313 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

Adding to 54452221452 its reverse (25412225445), we get a palindrome (79864446897).

The spelling of 54452221452 in words is "fifty-four billion, four hundred fifty-two million, two hundred twenty-one thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 157 314 471 628 942 1413 1884 2826 5652 9634151 19268302 28902453 38536604 57804906 86707359 115609812 173414718 346829436 1512561707 3025123414 4537685121 6050246828 9075370242 13613055363 18150740484 27226110726 54452221452