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8485256669472 = 253311192961101263
BaseRepresentation
bin111101101111010000010…
…1101011010100100100000
31010001011221010102022202000
41323132200231122210200
52103010301201410342
630014023442324000
71534016366436642
oct173364055324440
933034833368660
108485256669472
1127816391a8250
12b505bb359600
134972054321cb
1421498d7b2892
15eaac358444c
hex7b7a0b5a920

8485256669472 has 1536 divisors, whose sum is σ = 30292061184000. Its totient is φ = 2281789440000.

The previous prime is 8485256669441. The next prime is 8485256669489. The reversal of 8485256669472 is 2749666525848.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 8485256669472.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 32263333213 + ... + 32263333475.

It is an arithmetic number, because the mean of its divisors is an integer number (19721394000).

Almost surely, 28485256669472 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 8485256669472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15146030592000).

8485256669472 is an abundant number, since it is smaller than the sum of its proper divisors (21806804514528).

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

8485256669472 is a wasteful number, since it uses less digits than its factorization.

8485256669472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 489 counting only the distinct ones).

The product of its digits is 1393459200, while the sum is 72.

The spelling of 8485256669472 in words is "eight trillion, four hundred eighty-five billion, two hundred fifty-six million, six hundred sixty-nine thousand, four hundred seventy-two".