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52897950720 = 210355174161
BaseRepresentation
bin110001010000111101…
…101010110000000000
312001112112211022200000
4301100331222300000
51331313333410340
640145002400000
73551601106446
oct612075526000
9161475738600
1052897950720
112048557234a
12a303500000
134cb0273a74
1427bb570b96
151598ecbd30
hexc50f6ac00

52897950720 has 1056 divisors, whose sum is σ = 209548213056. Its totient is φ = 12740198400.

The previous prime is 52897950671. The next prime is 52897950731. The reversal of 52897950720 is 2705979825.

52897950720 is a `hidden beast` number, since 5 + 28 + 97 + 9 + 507 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 867179490 + ... + 867179550.

Almost surely, 252897950720 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 52897950720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104774106528).

52897950720 is an abundant number, since it is smaller than the sum of its proper divisors (156650262336).

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

52897950720 is a wasteful number, since it uses less digits than its factorization.

52897950720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The spelling of 52897950720 in words is "fifty-two billion, eight hundred ninety-seven million, nine hundred fifty thousand, seven hundred twenty".