Search a number
-
+
70570403200 = 27521123671301
BaseRepresentation
bin100000110111001010…
…0101110010110000000
320202011011122220222001
41001232110232112000
52124012010400300
652230344353344
75045541346513
oct1015624562600
9222134586861
1070570403200
1127a24175480
1211815a75854
13686867c93b
1435b6696d7a
151c8073416a
hex106e52e580

70570403200 has 384 divisors, whose sum is σ = 201564599040. Its totient is φ = 24161280000.

The previous prime is 70570403159. The next prime is 70570403207. The reversal of 70570403200 is 230407507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70570403207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54242550 + ... + 54243850.

It is an arithmetic number, because the mean of its divisors is an integer number (524907810).

Almost surely, 270570403200 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 70570403200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100782299520).

70570403200 is an abundant number, since it is smaller than the sum of its proper divisors (130994195840).

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

70570403200 is a wasteful number, since it uses less digits than its factorization.

70570403200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The spelling of 70570403200 in words is "seventy billion, five hundred seventy million, four hundred three thousand, two hundred".