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53248470912 = 27327213149487
BaseRepresentation
bin110001100101110110…
…110010111110000000
312002102222101120222100
4301211312302332000
51333023102032122
640243443310400
73563355351300
oct614566627600
9162388346870
1053248470912
112064541235a
12a3a097b400
135037a7c970
142811d35600
1515b9b69aac
hexc65db2f80

53248470912 has 576 divisors, whose sum is σ = 193641084000. Its totient is φ = 13920657408.

The previous prime is 53248470911. The next prime is 53248470917. The reversal of 53248470912 is 21907484235.

53248470912 is a `hidden beast` number, since 53 + 2 + 48 + 470 + 91 + 2 = 666.

53248470912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×532484709122 (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 (53248470911) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 109339533 + ... + 109340019.

Almost surely, 253248470912 is an apocalyptic number.

53248470912 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53248470912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96820542000).

53248470912 is an abundant number, since it is smaller than the sum of its proper divisors (140392613088).

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

53248470912 is a wasteful number, since it uses less digits than its factorization.

53248470912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 53248470912 in words is "fifty-three billion, two hundred forty-eight million, four hundred seventy thousand, nine hundred twelve".