Search a number
-
+
70693534080 = 2734513195521
BaseRepresentation
bin100000111010110101…
…0011011100110000000
320202110202100121210000
41001311222123212000
52124240021042310
652250503440000
75051565060621
oct1016552334600
9222422317700
1070693534080
1127a87725534
121184b156000
136888031950
1435c8b89a48
151c8b4574c0
hex1075a9b980

70693534080 has 640 divisors, whose sum is σ = 286240600800. Its totient is φ = 16482631680.

The previous prime is 70693534049. The next prime is 70693534103. The reversal of 70693534080 is 8043539607.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12801720 + ... + 12807240.

Almost surely, 270693534080 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 70693534080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143120300400).

70693534080 is an abundant number, since it is smaller than the sum of its proper divisors (215547066720).

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

70693534080 is a wasteful number, since it uses less digits than its factorization.

70693534080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584 (or 5563 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 70693534080 in words is "seventy billion, six hundred ninety-three million, five hundred thirty-four thousand, eighty".