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53817303680 = 27573614019
BaseRepresentation
bin110010000111110000…
…101110001010000000
312010220121202021211122
4302013300232022000
51340204212204210
640420123331412
73613433351000
oct620760561200
9163817667748
1053817303680
1120907512888
12a51b380b68
1350c88851ba
1428676c8000
1515eea7cb55
hexc87c2e280

53817303680 has 256 divisors, whose sum is σ = 152534880000. Its totient is φ = 18144645120.

The previous prime is 53817303629. The next prime is 53817303721. The reversal of 53817303680 is 8630371835.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13388711 + ... + 13392729.

It is an arithmetic number, because the mean of its divisors is an integer number (595839375).

Almost surely, 253817303680 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 53817303680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76267440000).

53817303680 is an abundant number, since it is smaller than the sum of its proper divisors (98717576320).

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

53817303680 is an equidigital number, since it uses as much as digits as its factorization.

53817303680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120 (or 4094 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 53817303680 in words is "fifty-three billion, eight hundred seventeen million, three hundred three thousand, six hundred eighty".