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52171112448 = 21837713
BaseRepresentation
bin110000100101101001…
…000000000000000000
311222122220011010000000
4300211221000000000
51323321301044243
635544520000000
73524564065440
oct604551000000
9158586133000
1052171112448
1120142261a64
12a140000000
134bc57c8850
14274cc0c120
1515552a75d3
hexc25a40000

52171112448 has 608 divisors, whose sum is σ = 192602072320. Its totient is φ = 13759414272.

The previous prime is 52171112423. The next prime is 52171112509. The reversal of 52171112448 is 84421117125.

52171112448 is a `hidden beast` number, since 521 + 7 + 1 + 1 + 124 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 4013162490 + ... + 4013162502.

Almost surely, 252171112448 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 52171112448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96301036160).

52171112448 is an abundant number, since it is smaller than the sum of its proper divisors (140430959872).

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

52171112448 is an frugal number, since it uses more digits than its factorization.

52171112448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 25 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The spelling of 52171112448 in words is "fifty-two billion, one hundred seventy-one million, one hundred twelve thousand, four hundred forty-eight".