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54789934720 = 27585609273
BaseRepresentation
bin110011000001101111…
…000000111010000000
312020102101221001210111
4303001233000322000
51344202210402340
641100430241104
73646513522003
oct630157007200
9166371831714
1054789934720
1121266542994
12a751056194
13522222bb21
14291a94d53a
15165a154aea
hexcc1bc0e80

54789934720 has 32 divisors (see below), whose sum is σ = 130982189220. Its totient is φ = 21915973632.

The previous prime is 54789934669. The next prime is 54789934769. The reversal of 54789934720 is 2743998745.

It can be written as a sum of positive squares in 2 ways, for example, as 54430756416 + 359178304 = 233304^2 + 18952^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×547899347202 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42803997 + ... + 42805276.

Almost surely, 254789934720 is an apocalyptic number.

It is an amenable number.

54789934720 is an abundant number, since it is smaller than the sum of its proper divisors (76192254500).

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

54789934720 is an equidigital number, since it uses as much as digits as its factorization.

54789934720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85609292 (or 85609280 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 54789934720 in words is "fifty-four billion, seven hundred eighty-nine million, nine hundred thirty-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 85609273 171218546 342437092 428046365 684874184 856092730 1369748368 1712185460 2739496736 3424370920 5478993472 6848741840 10957986944 13697483680 27394967360 54789934720