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711481688064 = 21634741467
BaseRepresentation
bin10100101101001111001…
…11010000000000000000
32112000110101022120210000
422112213213100000000
543124103303004224
61302503345440000
7102255115364520
oct12264747200000
92460411276700
10711481688064
112548129568a4
12b5a81940000
13521281076c4
1426616161680
15137920940c9
hexa5a79d0000

711481688064 has 680 divisors, whose sum is σ = 2493888965568. Its totient is φ = 197897748480.

The previous prime is 711481688003. The next prime is 711481688111. The reversal of 711481688064 is 460886184117.

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

It is a self number, because there is not a number n which added to its sum of digits gives 711481688064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1523515159 + ... + 1523515625.

Almost surely, 2711481688064 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 711481688064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1246944482784).

711481688064 is an abundant number, since it is smaller than the sum of its proper divisors (1782407277504).

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

711481688064 is an frugal number, since it uses more digits than its factorization.

711481688064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 711481688064 in words is "seven hundred eleven billion, four hundred eighty-one million, six hundred eighty-eight thousand, sixty-four".