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52853351472 = 243712292
BaseRepresentation
bin110001001110010011…
…100010010000110000
312001102102220110000000
4301032103202100300
51331220424221342
640140330430000
73550520034465
oct611623422060
9161372813000
1052853351472
1120462380269
12a2b0592300
134ca3c5998c
1427b568166c
15159511c44c
hexc4e4e2430

52853351472 has 120 divisors (see below), whose sum is σ = 153706707280. Its totient is φ = 17603448768.

The previous prime is 52853351443. The next prime is 52853351489. The reversal of 52853351472 is 27415335825.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

52853351472 is a `hidden beast` number, since 5 + 28 + 533 + 51 + 47 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43004554 + ... + 43005782.

Almost surely, 252853351472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52853351472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76853353640).

52853351472 is an abundant number, since it is smaller than the sum of its proper divisors (100853355808).

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

52853351472 is an frugal number, since it uses more digits than its factorization.

52853351472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487 (or 1234 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 52853351472 in words is "fifty-two billion, eight hundred fifty-three million, three hundred fifty-one thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 729 972 1229 1296 1458 1944 2187 2458 2916 3687 3888 4374 4916 5832 7374 8748 9832 11061 11664 14748 17496 19664 22122 29496 33183 34992 44244 58992 66366 88488 99549 132732 176976 199098 265464 298647 398196 530928 597294 796392 895941 1194588 1510441 1592784 1791882 2389176 2687823 3020882 3583764 4531323 4778352 5375646 6041764 7167528 9062646 10751292 12083528 13593969 14335056 18125292 21502584 24167056 27187938 36250584 40781907 43005168 54375876 72501168 81563814 108751752 122345721 163127628 217503504 244691442 326255256 367037163 489382884 652510512 734074326 978765768 1101111489 1468148652 1957531536 2202222978 2936297304 3303334467 4404445956 5872594608 6606668934 8808891912 13213337868 17617783824 26426675736 52853351472