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1307571685056 = 263371331268237
BaseRepresentation
bin10011000001110001010…
…110001000011011000000
311122000001220210220111000
4103001301112020123000
5132410401322410211
62440405023052000
7163316562640050
oct23016126103300
94560056726430
101307571685056
114645a114524a
121914bb141000
13963c3993c60
1447402ddb560
152402da17656
hex130715886c0

1307571685056 has 448 divisors, whose sum is σ = 4883734159360. Its totient is φ = 333728501760.

The previous prime is 1307571685039. The next prime is 1307571685099. The reversal of 1307571685056 is 6505861757031.

It is a happy number.

1307571685056 is a `hidden beast` number, since 1 + 3 + 0 + 7 + 5 + 71 + 68 + 505 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

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

It is a junction number, because it is equal to n+sod(n) for n = 1307571684993 and 1307571685011.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4740570 + ... + 5008806.

It is an arithmetic number, because the mean of its divisors is an integer number (10901192320).

Almost surely, 21307571685056 is an apocalyptic number.

1307571685056 is a gapful number since it is divisible by the number (16) 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 1307571685056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2441867079680).

1307571685056 is an abundant number, since it is smaller than the sum of its proper divisors (3576162474304).

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

1307571685056 is a wasteful number, since it uses less digits than its factorization.

1307571685056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268309 (or 268293 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 54.

The spelling of 1307571685056 in words is "one trillion, three hundred seven billion, five hundred seventy-one million, six hundred eighty-five thousand, fifty-six".